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h
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y
[
1
]
.
I
n
o
r
d
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r
t
o
d
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r
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q
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r
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o
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2
4
X
7
.
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k
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g
t
h
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e
.
An
o
r
g
a
n
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za
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o
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s
w
o
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k
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v
i
r
o
n
m
e
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a
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d
c
u
lt
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r
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a
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ass
ess
ed
b
y
cli
m
a
te
w
h
i
ch
in
cl
u
d
es
o
r
g
a
n
iz
ati
o
n
a
l
p
o
lic
ies
,
p
r
o
ce
s
s
es
a
n
d
p
r
o
c
e
d
u
r
es
wh
ic
h
r
ef
lec
ts
p
e
r
c
e
p
ti
o
n
s
o
f
v
ar
i
o
u
s
as
p
e
cts
o
f
w
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k
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ir
o
n
m
e
n
t
i
n
cl
u
d
in
g
p
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o
d
u
ct
i
n
n
o
v
a
ti
o
n
,
c
u
s
t
o
m
er
s
er
v
i
ce
an
d
s
a
f
et
y
.
S
h
a
r
e
d
p
er
c
e
p
t
io
n
a
b
o
u
t
Sa
f
e
ty
b
y
e
m
p
lo
y
ee
s
o
f
o
r
g
an
iza
ti
o
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f
o
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m
s
s
af
et
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cli
m
at
e
wh
ic
h
i
s
f
u
r
t
h
e
r
ass
ess
e
d
b
y
p
o
l
ici
e
s
,
p
r
o
ce
d
u
r
es
an
d
p
r
a
cti
ce
s
o
f
t
h
e
o
r
g
an
iz
ati
o
n
.
Per
ce
p
ti
o
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ca
n
b
e
f
u
r
t
h
er
c
ate
g
o
r
i
ze
d
as
in
d
i
v
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d
u
a
l
an
d
g
r
o
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p
p
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r
ce
p
ti
o
n
.
I
n
d
i
v
i
d
u
al
p
e
r
c
e
p
ti
o
n
o
f
o
r
g
a
n
iz
ati
o
n
o
v
e
r
al
l
en
v
ir
o
n
m
en
t
is
r
ef
er
r
e
d
as
p
e
r
c
ei
v
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d
s
a
f
et
y
c
lim
at
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wh
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s
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ep
ti
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iza
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p
s
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f
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cl
im
ate
.
Sa
f
e
ty
cli
m
at
e
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n
d
s
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et
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b
eh
a
v
i
o
r
ar
e
cl
o
s
el
y
c
o
n
n
ec
te
d
[
3
]
.
S
af
et
y
b
e
h
a
v
i
o
r
ca
n
m
a
n
if
est
as
eit
h
e
r
c
o
m
p
l
ia
n
c
e
-
o
r
ie
n
t
e
d
o
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p
a
r
ti
ci
p
a
ti
v
e
.
T
h
e
r
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a
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f
u
n
d
a
m
e
n
t
al
tas
k
s
ess
e
n
t
ial
f
o
r
m
ain
tai
n
i
n
g
w
o
r
k
p
la
ce
s
af
et
y
,
w
h
i
ch
o
r
g
a
n
iz
ati
o
n
s
m
a
n
d
at
e.
T
h
ese
i
n
cl
u
d
e
a
d
h
e
r
i
n
g
t
o
s
ta
n
d
a
r
d
w
o
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k
p
r
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c
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d
u
r
es
a
n
d
we
ar
in
g
p
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al
p
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ec
ti
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e
q
u
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m
en
t,
e
x
p
e
ct
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d
at
b
o
th
in
d
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d
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al
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p
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.
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ll
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li
a
n
ce
-
o
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ie
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t
ed
s
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h
a
v
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o
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s
.
S
af
ety
p
ar
tici
p
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r
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to
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h
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ig
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th
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s
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p
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af
et
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lt
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r
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o
f
t
h
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o
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g
a
n
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z
ati
o
n
.
Pa
r
ti
ci
p
at
in
g
in
v
o
l
u
n
ta
r
y
s
a
f
e
ty
ac
ti
v
it
ies/
i
n
itiat
iv
es,
e
x
t
en
d
i
n
g
h
e
lp
t
o
c
o
-
wo
r
k
er
s
f
o
r
is
s
u
es
r
ela
te
d
t
o
s
a
f
ety
,
att
en
d
i
n
g
s
af
et
y
m
ee
ti
n
g
s
a
r
e
f
ew
e
x
am
p
l
es
o
f
p
a
r
ti
ci
p
at
iv
e
s
a
f
et
y
b
e
h
a
v
i
o
r
s
[
4
]
.
S
a
f
e
t
y
c
l
i
m
at
e
c
a
n
b
e
c
a
l
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d
a
n
a
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o
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s
a
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y
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a
v
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s
.
I
t
i
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m
p
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p
lo
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a
r
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m
o
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v
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d
t
o
f
o
l
l
o
w
s
a
f
et
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p
r
a
c
t
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c
es
,
v
o
l
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n
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r
f
o
r
s
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f
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t
y
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n
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k
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x
t
r
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f
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o
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.
H
e
n
c
e
,
s
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f
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m
o
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a
ls
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p
l
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y
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v
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t
al
r
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r
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m
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n
.
S
a
f
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n
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p
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r
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to
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a
f
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y
.
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p
o
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p
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it
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d
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at
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p
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’
m
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v
a
t
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c
o
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v
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el
y
.
F
u
r
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h
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m
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o
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c
h
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tiv
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p
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d
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t
s
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f
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d
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d
w
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l
-
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.
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o
r
k
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r
s
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n
a
p
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o
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ci
p
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t
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c
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a
n
d
a
d
o
p
t
s
a
f
e
t
y
b
e
h
a
v
i
o
r
s
o
v
e
r
t
h
e
l
o
n
g
t
e
r
m
.
A
n
o
t
h
e
r
m
o
t
i
v
a
t
i
o
n
f
o
r
e
m
p
l
o
y
e
e
s
i
s
s
a
f
et
y
c
o
m
p
l
i
a
n
c
e
p
r
a
c
t
ic
e
s
a
n
d
w
il
l
i
n
g
l
y
p
a
r
t
i
c
i
p
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t
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i
n
s
a
f
e
t
y
p
r
a
c
t
i
c
es
a
r
e
p
o
s
it
i
v
e
a
n
d
e
f
f
e
ct
i
v
e
r
e
s
u
lt
s
o
f
t
h
es
e
p
r
a
ct
i
c
es
[
5
]
.
Acc
id
en
ts
at
wo
r
k
h
av
e
a
d
ir
ec
t
n
eg
ativ
e
im
p
ac
t
o
n
jo
b
s
atis
f
ac
tio
n
an
d
p
r
o
d
u
ctiv
ity
[
6
]
.
T
h
er
ef
o
r
e,
m
ajo
r
o
b
jectiv
e
o
f
o
cc
u
p
atio
n
al
s
af
ety
p
r
ac
tices
f
o
r
r
ed
u
cin
g
th
e
ch
an
ce
f
o
r
o
cc
u
r
r
en
ce
o
f
ac
cid
en
ts
at
wo
r
k
h
elp
s
in
im
p
r
o
v
in
g
th
e
p
r
o
d
u
c
tiv
ity
an
d
ef
f
icien
c
y
o
f
th
e
em
p
lo
y
ee
s
.
Hen
ce
,
im
p
lem
e
n
tatio
n
o
f
o
cc
u
p
atio
n
al
h
ea
lth
an
d
s
af
ety
m
an
ag
e
m
en
t
s
y
s
tem
s
(
OH
SMS)
r
esu
lt
s
in
t
o
p
o
s
itiv
e
o
u
tco
m
e
b
y
r
ed
u
ci
n
g
th
e
f
atalities
an
d
r
elate
d
co
s
t
an
d
h
e
n
ce
in
c
r
ea
s
ed
p
r
o
f
its
.
I
t
also
im
p
r
o
v
es
th
e
wo
r
k
i
n
g
c
o
n
d
itio
n
an
d
h
en
ce
th
e
e
m
p
lo
y
ee
m
o
tiv
atio
n
.
W
ith
in
th
e
to
tal
q
u
ality
m
an
ag
em
en
t
p
h
ilo
s
o
p
h
y
,
OHSMS
ar
e
v
ie
wed
a
s
a
co
m
p
o
n
en
t
co
n
tr
i
b
u
tin
g
to
em
p
lo
y
ee
s
atis
f
ac
tio
n
[
6
]
.
R
ec
en
tly
,
in
2
0
2
1
t
h
er
e
wer
e
th
r
ee
f
atalities
r
ep
o
r
ted
in
Har
y
a
n
a
an
d
Or
is
s
a
cir
cle
o
f
a
r
en
o
wn
e
d
telec
o
m
s
er
v
ice
p
r
o
v
id
er
.
Or
g
an
izatio
n
s
wo
r
k
in
g
in
I
C
T
s
p
ac
e
ar
e
o
b
lig
ed
f
o
r
s
af
ety
o
f
p
eo
p
le
wo
r
k
in
g
d
i
r
ec
tly
an
d
in
d
ir
ec
tly
;
th
ese
o
r
g
an
izatio
n
s
h
av
e
ad
o
p
ted
OHSMS
to
id
en
tify
an
d
m
an
ag
e
o
cc
u
p
atio
n
al
h
ea
lth
an
d
s
af
ety
r
is
k
s
an
d
h
az
ar
d
s
ca
ter
in
g
to
th
eir
r
e
q
u
ir
em
en
ts
.
Ho
wev
er
,
cr
ea
tin
g
s
af
ety
cu
ltu
r
e
an
d
d
ev
elo
p
s
af
ety
b
eh
av
io
r
is
a
m
u
ch
b
ig
g
er
c
h
allen
g
e
f
o
r
s
u
ch
o
r
g
a
n
izatio
n
s
.
S
af
ety
cu
ltu
r
e
an
d
s
af
ety
b
eh
av
io
r
ar
e
o
u
tco
m
es
o
f
co
n
ti
n
u
o
u
s
co
m
m
itm
en
t,
r
eso
u
r
ce
s
,
p
ar
ticip
atio
n
an
d
ac
ce
p
tan
ce
ac
r
o
s
s
th
e
le
v
els,
wh
ich
m
o
s
t
o
f
th
e
o
r
g
a
n
izatio
n
s
s
tr
u
g
g
le
wit
h
[
7
]
.
W
o
r
k
p
lace
b
eh
av
i
o
r
s
im
p
ac
t
s
o
cial
b
eh
av
io
r
an
d
r
elatio
n
s
h
ip
o
f
em
p
lo
y
ee
s
.
I
f
a
n
em
p
l
o
y
ee
f
ee
ls
v
alu
ed
at
wo
r
k
p
lace
,
p
e
r
ce
iv
e
f
air
n
ess
in
p
r
ac
tices,
o
b
s
er
v
e
civ
ilit
y
cu
ltu
r
e
th
en
h
is
s
o
ciet
al
r
elatio
n
s
h
ip
s
will
ex
p
er
ien
ce
s
im
ilar
k
i
n
d
o
f
b
e
h
av
io
r
s
.
Hen
ce
,
o
r
g
a
n
izatio
n
cu
ltu
r
e
h
as
h
u
g
e
im
p
ac
t
o
n
h
u
m
an
b
e
h
av
io
r
an
d
s
u
s
tain
ab
ilit
y
ap
p
r
o
ac
h
o
f
th
e
b
u
s
in
ess
in
f
lu
e
n
ce
s
u
s
tain
ab
le
d
ev
el
o
p
m
en
t
o
f
h
u
m
an
b
ein
g
s
d
ir
ec
tly
o
r
in
d
ir
ec
tly
.
I
t
is
im
p
er
ativ
e
to
ad
o
p
t
lead
er
s
h
i
p
ap
p
r
o
ac
h
t
o
im
p
r
o
v
e
o
cc
u
p
atio
n
al
h
ea
lth
a
n
d
s
af
ety
to
e
n
s
u
r
e
em
p
lo
y
ee
s
to
war
d
s
wo
r
k
p
lace
s
af
ety
is
p
o
s
itiv
e.
T
h
e
s
af
ety
c
u
ltu
r
e
o
f
an
o
r
g
an
izatio
n
en
co
m
p
ass
es
th
e
v
alu
es,
p
er
ce
p
tio
n
s
,
attitu
d
es,
an
d
b
e
h
av
io
r
s
ex
h
i
b
ited
b
y
its
m
em
b
er
s
.
C
u
ltu
r
e
estab
lis
h
es
a
co
m
m
o
n
lin
k
am
o
n
g
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Pu
b
lic
Hea
lth
Sci
I
SS
N:
2252
-
8
8
0
6
C
h
a
llen
g
es in
imp
leme
n
tin
g
o
cc
u
p
a
tio
n
a
l h
ea
lth
a
n
d
s
a
fety
in
I
n
d
ia
n
in
fo
r
ma
tio
n
…
(
Ga
u
r
a
v
Mit
tr
a
)
751
p
eo
p
le
w
h
ich
r
e
f
lects
in
e
v
er
y
asp
ec
t
o
f
life
,
h
en
ce
,
s
af
ety
cu
ltu
r
e
o
f
an
o
r
g
a
n
izatio
n
co
n
tr
ib
u
tes
to
cr
ea
te
a
s
af
ety
cu
ltu
r
e
in
s
o
cieta
l
s
etti
n
g
as
well.
B
a
s
ic
elem
en
ts
o
f
a
s
af
ety
cu
ltu
r
e
ar
e
co
m
m
it
m
en
t
o
f
lead
er
s
h
ip
,
o
cc
u
p
atio
n
al
h
ea
lth
a
n
d
s
af
e
ty
p
o
licy
,
p
lan
n
in
g
,
r
eso
u
r
c
e
m
a
n
ag
em
en
t,
p
ar
ticip
atio
n
ac
r
o
s
s
th
e
lev
els,
in
teg
r
atio
n
,
r
e
v
iew,
p
r
o
ce
d
u
r
es,
d
o
cu
m
en
tatio
n
,
r
is
k
m
an
ag
em
en
t
[
4
]
.
All
th
ese
elem
en
ts
co
n
tr
ib
u
te
to
en
g
en
d
e
r
in
g
a
wo
r
k
i
n
g
en
v
ir
o
n
m
en
t
wh
er
e
wo
r
k
p
lace
s
af
ety
is
p
r
io
r
ity
an
d
ad
d
r
ess
an
im
p
o
r
tan
t
asp
ec
t
o
f
s
o
cial
s
u
s
tain
ab
ilit
y
wh
ich
is
lin
k
ed
to
h
u
m
an
well
-
b
ein
g
.
E
n
s
u
r
in
g
wo
r
k
p
lace
s
af
ety
is
p
iv
o
tal
in
f
o
s
ter
in
g
tr
u
s
t a
m
o
n
g
e
m
p
lo
y
ee
s
,
a
q
u
al
ity
ess
en
tial f
o
r
n
av
ig
atin
g
u
n
ce
r
tain
ty
ef
f
ec
tiv
ely
.
A
s
u
s
t
ai
n
a
b
le
s
o
c
ial
s
y
s
t
em
ca
n
n
o
t
b
e
att
ai
n
e
d
wi
th
o
u
t
f
o
s
te
r
i
n
g
tr
u
s
t
wo
r
t
h
y
r
ela
ti
o
n
s
h
i
p
s
,
w
h
ic
h
s
e
r
v
e
as
th
e
f
o
u
n
d
ati
o
n
f
o
r
ci
v
il
an
d
c
o
o
p
e
r
at
iv
e
b
e
h
a
v
i
o
r
.
Pe
o
p
le
id
e
n
t
if
y
t
h
e
m
s
e
lv
es
i
n
tw
o
b
a
s
ic
s
o
cia
l
c
o
n
te
x
ts
,
wo
r
k
p
l
ac
e
as
th
ei
r
o
r
g
a
n
i
za
t
i
o
n
an
d
t
h
e
s
o
c
iet
y
w
h
e
r
e
t
h
ey
ar
e
r
es
id
in
g
.
I
t
is
v
e
r
y
d
if
f
i
cu
lt
t
o
d
em
ar
ca
te
t
h
es
e
two
an
d
b
e
h
a
v
e
d
if
f
e
r
e
n
t
ly
in
w
o
r
k
s
ett
in
g
s
a
n
d
s
o
ci
al
s
e
tti
n
g
s
[
8
]
.
H
en
ce
,
w
h
e
n
a
p
er
s
o
n
d
e
v
el
o
p
s
t
r
u
s
ti
n
g
b
e
h
a
v
i
o
r
at
wo
r
k
p
la
ce
it
r
e
f
le
c
ts
i
n
s
o
c
ial
s
e
tti
n
g
s
als
o
.
I
t
is
wid
el
y
ac
c
e
p
te
d
f
ac
t
t
h
a
t
O
HS
MS
p
r
ac
t
ic
es
i
n
a
n
o
r
g
an
iza
ti
o
n
p
r
ev
e
n
t
ac
c
id
e
n
ts
,
s
a
v
es
li
v
es,
a
n
d
ta
k
e
c
ar
e
o
f
well
-
b
ei
n
g
i
n
a
n
o
r
g
an
iza
ti
o
n
b
u
t
q
u
est
io
n
r
e
m
a
in
s
wh
y
o
r
g
a
n
i
za
t
io
n
s
s
t
r
u
g
g
l
e
i
n
f
u
n
c
ti
o
n
in
g
o
f
s
y
s
t
em
ati
c
O
HSMS
p
r
a
cti
ce
s
.
L
ac
k
o
f
c
o
m
m
it
m
e
n
t
,
a
b
s
e
n
c
e
o
f
s
af
et
y
b
e
h
av
io
r
,
p
er
ce
p
ti
o
n
t
o
war
d
s
s
a
f
e
ty
m
a
n
a
g
e
m
e
n
t
co
m
m
itt
ee
s
,
a
n
d
g
o
v
e
r
n
a
n
ce
o
f
s
af
ety
cu
lt
u
r
e.
ar
e
m
a
jo
r
f
a
ct
o
r
s
a
f
f
ec
t
in
g
p
er
f
o
r
m
a
n
ce
o
f
O
HSMS
.
D
ete
r
m
i
n
i
n
g
w
h
et
h
er
o
r
g
a
n
i
za
t
io
n
c
u
lt
u
r
e
is
ali
g
n
e
d
to
s
a
f
e
ty
in
c
id
e
n
ts
a
n
d
p
e
r
f
o
r
m
an
ce
al
o
n
g
wi
th
i
n
t
er
o
r
g
a
n
i
za
ti
o
n
al
f
a
cto
r
s
is
an
o
t
h
er
c
r
it
ic
al
ar
ea
.
Or
g
a
n
i
za
ti
o
n
s
m
u
s
t
d
e
v
e
lo
p
,
i
m
p
l
em
en
t,
a
n
d
co
n
t
i
n
u
o
u
s
l
y
im
p
r
o
v
e
th
e
s
af
et
y
c
u
l
tu
r
e
i
n
ali
g
n
m
en
t
wit
h
s
tr
u
ct
u
r
e
[
9
]
,
[
1
0
]
.
An
y
f
atality
d
u
e
t
o
ac
cid
e
n
ts
at
wo
r
k
will
al
way
s
r
esu
lt
in
t
o
h
ea
v
y
af
f
lictio
n
to
all
th
e
s
tak
eh
o
ld
er
s
in
clu
d
in
g
wo
r
k
er
s
,
m
an
ag
e
m
e
n
t,
o
r
g
an
izatio
n
,
an
d
th
e
s
o
cie
ty
[
1
1
]
.
R
esear
ch
in
d
icate
s
s
ig
n
if
ican
t
h
esit
an
cy
am
o
n
g
em
p
lo
y
e
r
s
to
in
v
est
in
ac
cid
en
t
p
r
ev
e
n
tio
n
m
ea
s
u
r
es
d
u
e
to
v
iewin
g
th
em
as
s
u
n
k
co
s
ts
,
as
th
ey
m
ay
n
o
t
d
ir
ec
tly
co
n
tr
ib
u
te
t
o
th
e
f
i
r
m
'
s
p
r
o
d
u
ctio
n
o
b
jectiv
es.
C
o
n
s
eq
u
en
tly
,
th
is
r
elu
cta
n
ce
ca
n
n
eg
ativ
ely
im
p
ac
t
p
r
o
f
itab
ilit
y
.
Hen
ce
,
o
cc
u
p
atio
n
al
h
ea
lth
an
d
s
a
f
ety
(
OHS)
b
ec
o
m
es
s
ig
n
if
ican
t
b
y
f
o
cu
s
in
g
th
e
p
r
e
v
en
tio
n
o
f
ac
cid
en
ts
at
wo
r
k
r
ath
er
f
in
a
n
cial
p
r
o
f
its
[
1
2
]
.
So
cial
Su
s
tain
ab
ilit
y
h
as
b
ee
n
id
en
tifie
d
an
d
p
er
ce
iv
e
d
as
a
cr
itical
f
ac
to
r
f
o
r
o
r
g
an
izati
o
n
an
d
is
eq
u
ally
as
im
p
o
r
tan
t
as
f
in
an
cial,
ec
o
n
o
m
ic
an
d
en
v
ir
o
n
m
en
t
s
u
s
tain
ab
ilit
y
r
eq
u
ir
em
en
ts
h
o
wev
er
ch
allen
g
e
is
ab
s
en
ce
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itm
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ip
.
So
m
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o
f
th
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in
d
u
s
tr
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ia
n
ts
h
av
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f
in
ed
th
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w
n
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af
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tan
d
ar
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wh
ich
ar
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ip
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wh
ich
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ac
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in
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co
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t
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p
p
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r
tu
n
ities
f
o
r
s
er
v
ice
p
r
o
v
i
d
er
s
[
5
]
,
[
1
3
]
.
I
t
is
n
e
v
e
r
t
h
e
l
es
s
t
o
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a
n
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O
HS
c
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t n
o
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l
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l
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d
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t
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f
i
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a
n
d
m
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d
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ca
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x
p
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.
T
h
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h
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m
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a
l
a
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d
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c
o
n
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c
as
p
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ts
[
8
]
.
F
i
n
d
i
n
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f
m
a
n
y
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a
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li
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r
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t
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l
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a
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ta
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h
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MS
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d
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p
l
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y
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e
s
[
6
]
.
T
h
e
in
tr
a
-
o
r
g
an
izatio
n
an
d
in
t
er
-
o
r
g
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n
izatio
n
alig
n
m
e
n
t
r
eg
ar
d
in
g
s
af
ety
p
r
ac
tices
is
a
p
ain
ar
ea
as
o
r
g
an
izatio
n
s
d
o
n
o
t
o
p
er
ate
in
is
o
lated
en
v
ir
o
n
m
en
t.
T
h
er
e
ar
e
in
ter
n
al
s
tak
eh
o
ld
er
s
as
well
a
s
ex
ter
n
al
s
tak
eh
o
ld
er
s
(
p
ar
tn
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s
,
g
en
e
r
a
l
co
n
tr
ac
to
r
s
,
s
u
b
-
co
n
tr
ac
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,
in
v
esto
r
s
t
o
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am
e
f
ew)
.
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n
c
e,
s
af
ety
c
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ltu
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f
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in
ter
d
ep
en
d
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t
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ter
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elate
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s
af
f
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ts
th
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s
af
ety
b
eh
av
i
o
r
wh
ic
h
is
b
ased
o
n
wo
r
k
p
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f
o
r
m
an
ce
co
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s
id
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in
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task
an
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co
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te
x
tu
al
b
eh
a
v
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r
s
.
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o
t
h
v
ar
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les
ar
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lin
k
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et
y
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wh
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ig
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t b
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t o
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s
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etim
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a
p
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co
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an
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ize,
s
tr
u
ct
u
r
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f
in
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p
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f
o
r
m
an
ce
a
n
d
r
ep
u
tatio
n
o
r
cr
ed
itwo
r
th
in
ess
o
f
th
e
o
r
g
an
izatio
n
[
1
4
]
,
[
1
5
]
.
T
h
e
in
tr
a
-
o
r
g
a
n
izatio
n
a
n
d
i
n
ter
-
o
r
g
a
n
izati
o
n
alig
n
m
en
t
f
o
r
s
af
ety
m
an
ag
em
en
t
p
r
ac
tices
n
ee
d
to
b
e
s
tu
d
ied
f
u
r
th
er
with
r
esp
ec
t
to
s
tak
eh
o
ld
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s
as
s
af
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p
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f
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ce
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f
ec
ted
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s
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th
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s
s
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as
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ac
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h
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s
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r
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n
t
m
atr
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m
u
s
t
b
e
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esig
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ed
an
d
m
ea
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with
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v
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lv
em
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n
t
o
f
o
th
e
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s
tak
eh
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l
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er
s
.
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p
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ac
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iev
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ag
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with
p
ar
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p
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ac
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o
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th
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lev
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id
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ter
-
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al
f
ac
to
r
s
as
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in
tr
a
-
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g
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f
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with
a
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s
tan
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o
f
h
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m
an
b
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av
io
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f
s
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cial
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x
ch
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g
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p
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ce
p
tio
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T
h
e
s
u
b
s
eq
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en
t
s
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tio
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s
o
f
th
is
m
an
u
s
cr
ip
t
ar
e
s
tr
u
ctu
r
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as
f
o
llo
ws:
Secti
o
n
2
o
f
f
er
s
an
ex
p
lo
r
atio
n
o
f
th
e
th
e
o
r
etica
l
b
ac
k
g
r
o
u
n
d
.
Sectio
n
3
d
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ea
tes
th
e
m
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th
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d
o
lo
g
y
in
d
etail
an
d
p
r
ese
n
ts
th
e
test
in
g
o
f
h
y
p
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th
eses
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Sectio
n
4
co
m
p
r
is
es
th
e
r
esu
lts
an
d
d
is
cu
s
s
io
n
.
Fin
ally
,
Sectio
n
5
p
r
esen
ts
th
e
co
n
clu
s
io
n
s
d
r
awn
f
r
o
m
th
e
f
in
d
in
g
s
.
2.
T
H
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CA
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P
u
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[
1
6
]
est
ab
lis
h
e
d
t
h
a
t
f
ai
r
n
ess
p
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p
t
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d
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w
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.
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p
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t
[
1
7
]
.
B
u
s
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n
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c
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c
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f
th
e
o
r
g
a
n
i
za
t
io
n
s
t
r
a
te
g
i
c
d
e
ciss
i
o
n
m
ak
i
n
g
p
r
o
ce
s
s
w
ill
d
e
f
i
n
it
el
y
e
n
h
a
n
c
in
g
t
h
e
s
u
s
ta
in
a
b
i
lit
y
c
u
l
tu
r
e
i
n
t
h
e
s
o
c
iet
y
.
S
o
c
ial
asp
ec
ts
a
r
e
cr
i
tic
al
i
n
c
r
e
ati
n
g
a
s
u
s
tai
n
ab
l
e
o
r
g
a
n
i
za
t
io
n
al
c
u
lt
u
r
e
,
b
as
ed
o
n
tr
u
s
t
an
d
c
o
o
p
e
r
at
iv
e
v
a
lu
es.
S
o
c
ial
s
u
s
ta
in
a
b
ili
ty
p
la
y
s
v
ita
l
r
o
le
i
n
p
r
o
d
u
c
ti
o
n
as
w
el
l
o
t
h
e
r
t
h
an
ec
o
l
o
g
i
ca
l
a
n
d
ec
o
n
o
m
i
c
f
a
ce
t
o
f
it
.
T
h
o
u
g
h
s
o
cial
s
u
s
tain
ab
ilit
y
in
d
ex
is
q
u
alitativ
e
wh
e
n
co
m
p
ar
ed
to
en
v
ir
o
n
m
e
n
tal
an
d
ec
o
n
o
m
i
c
s
u
s
tain
ab
ilit
y
h
en
ce
d
if
f
er
en
t
m
o
d
els
wo
u
ld
b
e
r
eq
u
i
r
ed
to
f
o
r
m
u
late
to
s
o
cial
s
u
s
tain
ab
ilit
y
in
d
ex
f
o
r
d
if
f
er
e
n
t
in
d
u
s
tr
ies.
Dig
alwa
r
et
a
l.
[
1
8
]
h
as
estab
lis
h
ed
th
at
wo
r
k
in
g
en
v
ir
o
n
m
en
t
an
d
wo
r
k
p
lace
c
o
n
d
itio
n
s
ar
e
r
ated
h
ig
h
as
a
n
in
d
icatio
n
o
f
h
ig
h
e
r
jo
b
s
atis
f
ac
tio
n
an
d
b
etter
p
er
f
o
r
m
a
n
ce
at
w
o
r
k
in
m
ac
h
in
in
g
in
d
u
s
tr
y
.
T
h
ese
in
d
icato
r
s
m
ig
h
t
ch
an
g
e
to
f
ew
d
eg
r
ee
s
in
o
th
er
in
d
u
s
tr
ies
h
o
wev
er
a
p
o
s
itiv
e
lin
k
ag
e
a
m
o
n
g
th
ese
f
ac
to
r
s
s
h
all
b
e
ev
id
en
t
ac
r
o
s
s
th
e
in
d
u
s
tr
ie
s
.
Ho
wev
er
,
th
er
e
will
b
e
a
n
ee
d
to
estab
lis
h
m
an
ag
em
e
n
t
s
y
s
tem
s
in
ac
co
r
d
an
ce
with
in
ter
n
al
an
d
ex
ter
n
al
d
y
n
am
ics o
f
th
e
o
r
g
an
izat
o
n
.
OH
SMS
m
u
s
t b
e
co
n
s
id
er
ed
u
n
d
e
r
s
tr
ateg
ic
d
ec
is
s
io
n
m
ak
in
g
p
r
o
ce
s
s
es
as saf
ety
cu
ltu
r
e
is
th
e
k
ey
co
n
ce
p
t
f
o
r
th
e
s
u
cc
ess
o
f
an
o
r
g
an
izatio
n
s
’
s
o
cial
s
u
s
tain
ab
ilit
y
.
A
m
an
ag
em
en
t
s
y
s
tem
n
ee
d
to
b
e
cr
ea
ted
in
a
way
th
at
it
s
u
p
p
o
r
ts
th
e
cu
ltu
r
e
an
d
s
tr
u
ctu
r
e
o
f
s
o
ciety
[
1
9
]
.
Fair
n
ess
,
s
af
e
wo
r
k
p
r
ac
tices,
civ
ilit
y
an
d
eq
u
ality
ar
e
c
r
itical
in
cr
ea
tin
g
s
u
s
tain
ab
le
o
r
g
an
izatio
n
c
u
ltu
r
e,
s
u
s
tain
ab
le
p
r
o
d
u
ct
an
d
f
u
r
th
e
r
s
u
p
p
o
r
ts
th
e
im
p
lem
en
tatio
n
o
f
in
teg
r
ated
m
a
n
ag
em
en
t
s
y
s
tem
s
wh
ich
r
esu
lt
in
p
r
o
f
ita
b
ilit
y
an
d
s
u
s
tain
ab
le
d
ev
elo
p
m
en
t f
o
r
th
e
b
u
s
in
ess
.
T
h
e
ai
m
o
f
d
is
ti
n
g
u
is
h
i
n
g
b
e
t
wee
n
c
o
r
p
o
r
at
e
s
o
cia
l
r
esp
o
n
s
i
b
il
it
y
(
C
SR
)
an
d
s
u
s
ta
in
a
b
ili
ty
is
t
o
b
r
i
n
g
cla
r
it
y
t
o
t
h
e
c
o
n
c
e
p
ts
o
f
co
r
p
o
r
at
e
s
o
c
ial
r
es
p
o
n
s
i
b
i
lit
y
,
co
r
p
o
r
at
e
s
u
s
ta
in
a
b
ili
ty
,
s
u
s
tai
n
a
b
i
l
ity
,
a
n
d
s
u
s
tai
n
ab
le
d
e
v
e
lo
p
m
e
n
t
.
B
y
d
el
v
i
n
g
i
n
t
o
th
e
ir
i
n
t
ell
ec
t
u
a
l
o
r
i
g
i
n
s
a
n
d
p
in
p
o
i
n
ti
n
g
t
h
eir
s
p
e
ci
f
ic
p
o
li
c
y
g
o
a
ls
an
d
s
c
o
p
es
,
th
e
ir
d
is
p
a
r
i
ties
b
e
co
m
e
cle
ar
e
r
a
n
d
co
n
s
eq
u
e
n
t
ly
m
o
r
e
b
en
ef
icia
l.
A
lt
h
o
u
g
h
th
er
e
m
ay
b
e
s
o
m
e
o
v
e
r
l
a
p
am
o
n
g
th
es
e
te
r
m
s
,
f
a
ili
n
g
to
a
d
e
q
u
a
te
ly
d
if
f
e
r
e
n
t
iat
e
th
em
c
r
e
ates
o
b
s
tacl
es
in
a
d
v
a
n
c
in
g
a
n
d
r
e
g
u
la
tin
g
g
lo
b
a
l
b
u
s
i
n
ess
co
n
d
u
ct
[
2
0
]
.
T
h
is
s
t
u
d
y
is
l
im
i
ted
t
o
s
c
h
o
la
r
l
y
w
o
r
k
;
d
o
es
n
o
t
p
r
o
v
i
d
e
c
o
m
p
r
e
h
en
s
iv
e
c
o
n
te
n
t
a
n
a
ly
s
is
.
F
u
r
th
er
,
co
l
lo
q
u
i
al
u
s
ag
e
o
f
C
SR
is
n
o
t
ta
k
en
i
n
t
o
a
cc
o
u
n
t
w
h
i
c
h
co
u
l
d
h
av
e
s
ig
n
i
f
i
ca
n
t
i
m
p
ac
t in
s
h
ap
i
n
g
m
ea
n
i
n
g
an
d
d
e
f
i
n
i
n
g
a
cti
v
i
ty
.
S
o
cia
l
s
u
s
ta
i
n
a
b
il
it
y
i
n
d
i
ca
t
o
r
s
as
p
e
r
f
o
r
m
a
tiv
e
an
d
p
r
o
ce
s
s
u
al
at
th
e
s
am
e
ti
m
e
in
f
o
r
m
e
d
b
y
a
lo
g
ic
al
ex
am
in
ati
o
n
t
o
w
ar
d
i
n
e
q
u
ali
ty
,
en
co
u
r
a
g
es
ec
h
o
a
b
o
u
t
h
o
w
t
h
es
e
i
n
d
ic
at
o
r
s
h
el
p
t
o
d
ev
el
o
p
m
o
r
e
v
a
r
ie
d
an
d
im
p
ar
tial
ac
c
u
m
u
lat
io
n
s
.
R
esea
r
c
h
e
r
s
h
a
v
e
d
is
c
u
s
s
e
d
a
b
o
u
t
s
o
c
ial
s
u
s
ta
in
ab
ili
ty
as
a
n
ef
f
o
r
t
as
a
t
o
o
l
t
o
esca
p
e
t
h
e
c
o
n
t
r
o
lli
n
g
n
at
u
r
e
w
h
ic
h
m
i
g
h
t
b
e
ch
a
r
ac
te
r
is
ti
cs
o
f
s
o
m
e
i
n
d
ic
at
o
r
s
.
T
h
e
y
a
r
g
u
ed
i
t
is
m
o
r
e
ad
v
is
a
b
le
to
p
u
s
h
t
h
e
c
h
a
n
g
es
a
n
d
t
h
eir
n
e
ed
.
T
h
e
y
h
a
v
e
i
d
e
n
t
if
ie
d
f
r
a
m
ew
o
r
k
s
w
h
ic
h
ca
n
b
e
w
o
r
k
e
d
t
h
r
o
u
g
h
t
h
is
u
s
i
n
g
to
ass
ess
p
o
te
n
ti
al
b
e
n
e
f
its
o
f
v
ie
wi
n
g
s
o
ci
al
i
n
d
ic
at
o
r
s
as
p
e
r
f
o
r
m
ati
v
e
[
8
]
.
A
t
i
m
e
b
o
u
n
d
r
e
s
e
a
r
c
h
a
b
o
u
t
i
n
v
o
l
v
e
m
e
n
t
o
f
s
u
s
ta
i
n
a
b
i
li
t
y
i
n
p
r
o
j
e
c
t
d
e
c
is
i
o
n
m
a
k
i
n
g
c
o
n
c
l
u
d
e
d
q
u
a
l
i
t
y
,
c
o
s
t
/
r
es
o
u
r
c
e
s
a
n
d
t
i
m
e
a
r
e
m
o
r
e
i
m
p
o
r
t
a
n
t
f
a
c
t
o
r
s
a
n
d
d
e
c
is
i
o
n
-
m
a
k
i
n
g
f
a
c
t
o
r
s
a
t
t
h
e
w
o
r
k
o
f
t
h
e
r
e
s
p
o
n
d
e
n
t
s
t
h
a
n
t
h
e
c
o
n
s
i
d
e
r
a
t
i
o
n
o
f
s
u
s
t
a
in
a
b
i
l
i
t
y
.
S
u
s
t
a
i
n
a
b
il
i
t
y
is
a
b
o
u
t
s
t
a
k
e
h
o
l
d
e
r
o
r
i
e
n
t
a
t
i
o
n
i
s
m
o
s
t
e
v
i
d
e
n
t
a
n
d
n
a
t
u
r
a
l
c
h
a
r
a
c
t
e
r
is
t
i
cs
o
f
t
h
e
p
r
o
j
e
c
t
m
a
n
a
g
e
r
s
w
h
i
l
e
d
e
c
is
i
o
n
m
a
k
i
n
g
i
n
t
h
e
p
r
o
j
e
c
t
a
n
d
f
u
r
t
h
e
r
a
t
o
r
g
a
n
i
z
a
t
i
o
n
a
l
l
e
v
e
l
.
T
h
o
u
g
h
t
h
e
r
e
a
r
e
m
i
s
s
i
n
g
s
t
ate
m
e
n
t
s
r
e
l
a
te
d
t
o
g
o
v
e
r
n
a
n
c
e
,
c
o
m
p
l
i
a
n
c
es
a
n
d
p
o
l
i
ti
c
s
as
it
i
m
p
a
ct
s
d
e
c
is
i
o
n
m
a
k
i
n
g
p
r
o
c
e
s
s
[
2
1
]
.
K
a
n
j
i
a
n
d
A
g
r
a
w
a
l
[
2
2
]
i
d
e
n
t
i
f
i
e
d
1
2
e
n
a
b
l
e
r
s
a
n
d
f
u
r
t
h
e
r
r
a
n
k
e
d
t
h
o
s
e
h
o
w
e
v
e
r
w
i
t
h
a
l
i
m
i
t
at
i
o
n
o
f
t
h
e
e
n
a
b
l
e
r
s
i
d
e
n
ti
f
i
e
d
a
n
d
a
n
a
l
y
s
e
d
i
n
t
h
is
s
t
u
d
y
a
r
e
v
a
r
i
a
b
l
e
i
n
n
a
t
u
r
e
,
w
h
i
c
h
m
i
g
h
t
n
o
t
w
o
r
k
i
n
s
i
m
il
a
r
f
a
s
h
i
o
n
a
s
i
t
is
s
u
p
p
o
s
e
d
t
o
b
e
i
n
a
r
e
al
t
i
m
e
s
i
t
u
a
ti
o
n
.
I
t
i
s
i
m
p
o
r
t
a
n
t
t
o
m
e
n
t
i
o
n
th
a
t
t
h
e
r
e
m
u
s
t
b
e
a
n
e
c
o
s
y
s
t
e
m
t
o
r
ec
o
g
n
i
s
e
d
t
h
e
s
e
e
f
f
o
r
t
s
t
h
e
s
o
c
ie
t
y
.
T
h
e
r
e
m
u
s
t
b
e
o
u
t
c
o
m
e
s
o
f
a
p
o
s
it
i
v
e
i
m
ag
e
o
f
t
h
e
c
o
m
p
a
n
y
f
o
r
i
n
t
e
r
n
a
l
a
n
d
e
x
t
e
r
n
a
l
c
u
s
t
o
m
e
r
s
.
R
es
e
a
r
c
h
e
r
al
s
o
e
x
p
l
ai
n
e
d
h
o
w
t
h
e
s
e
p
a
r
a
m
e
t
e
r
s
c
a
n
c
o
n
t
r
i
b
u
t
e
t
o
w
a
r
d
s
d
i
s
as
t
e
r
r
e
s
i
l
ie
n
c
e
w
h
i
c
h
m
i
g
h
t
n
e
n
a
t
u
r
a
l
o
r
m
a
n
m
a
d
e
i
n
r
a
r
e
c
i
r
c
u
m
s
t
a
n
ce
s
h
o
w
e
v
e
r
i
t
i
s
i
m
p
a
r
a
t
i
v
e
t
o
u
n
d
e
r
s
t
a
n
d
t
h
e
r
es
u
l
t
a
n
t
m
o
d
el
a
n
d
h
o
w
t
o
i
n
t
e
r
p
r
e
t
t
h
e
s
e
i
n
t
e
r
li
n
k
e
d
e
n
a
b
l
e
r
s
w
h
i
c
h
l
e
a
d
s
t
o
a
s
u
s
ta
i
n
a
b
l
e
s
o
c
i
et
y
.
T
h
e
p
r
im
ar
y
o
b
jectiv
e
o
f
th
is
r
esear
ch
in
itiativ
e
is
to
co
n
d
u
ct
a
co
m
p
r
eh
en
s
iv
e
in
v
esti
g
atio
n
in
to
th
e
m
u
ltifa
ce
ted
d
y
n
a
m
ics
s
u
r
r
o
u
n
d
in
g
th
e
im
p
lem
e
n
tatio
n
o
f
OHSMS
w
ith
in
o
r
g
an
izatio
n
al
co
n
tex
ts
.
C
en
tr
al
to
th
is
en
ter
p
r
is
e
is
a
m
eticu
lo
u
s
ex
p
lo
r
atio
n
o
f
e
ac
h
th
e
o
u
ts
id
e
an
d
i
n
ter
n
al
f
ac
to
r
s
th
at
ex
er
t
in
f
lu
en
ce
o
n
th
e
ex
ec
u
tio
n
o
f
OHSMS,
s
h
ed
d
i
n
g
m
ild
o
n
th
eir
t
r
ick
y
in
ter
ac
tio
n
an
d
r
esu
ltan
t
e
f
f
ec
t.
Fu
r
th
er
m
o
r
e
,
th
is
tak
e
a
lo
o
k
at
p
u
r
s
u
its
to
p
ar
en
t
th
e
f
u
n
d
am
e
n
tal
s
u
cc
ess
f
ac
to
r
s
c
o
n
tr
ib
u
tin
g
to
th
e
d
ev
elo
p
m
en
t
o
f
a
r
o
b
u
s
t
s
af
ety
cu
ltu
r
e,
wh
ich
in
f
lip
en
a
b
les
th
e
ef
f
ec
tiv
e
im
p
lem
en
tatio
n
o
f
OHSMS.
T
h
is
en
tails
an
in
d
ep
th
ex
am
o
f
t
h
e
n
u
an
ce
d
co
m
p
o
n
e
n
ts
co
m
p
r
is
in
g
s
af
ety
c
u
ltu
r
e
a
n
d
t
h
eir
f
u
n
ctio
n
i
n
f
o
s
ter
in
g
a
s
u
r
r
o
u
n
d
in
g
s
co
n
d
u
civ
e
to
o
p
tim
al
OHSMS
ca
p
ab
ilit
y
.
Ad
d
itio
n
ally
,
th
e
s
tu
d
ies
s
ee
k
to
ex
p
lain
th
e
r
elatio
n
s
h
ip
s
am
o
n
g
p
ain
tin
g
s
en
g
ag
em
e
n
t,
s
o
cial
s
u
s
tain
ab
i
lity
,
an
d
h
u
m
a
n
r
eso
u
r
ce
in
v
estme
n
t
s
tr
ateg
y
,
an
d
th
eir
c
o
llectiv
e
im
p
ac
t
o
n
en
h
an
cin
g
th
e
o
r
g
an
izatio
n
al
s
af
ety
clim
ate
an
d
p
r
o
tectio
n
co
n
d
u
ct.
B
y
d
elv
in
g
i
n
to
th
ese
in
ter
r
elate
d
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Pu
b
lic
Hea
lth
Sci
I
SS
N:
2252
-
8
8
0
6
C
h
a
llen
g
es in
imp
leme
n
tin
g
o
cc
u
p
a
tio
n
a
l h
ea
lth
a
n
d
s
a
fety
in
I
n
d
ia
n
in
fo
r
ma
tio
n
…
(
Ga
u
r
a
v
Mit
tr
a
)
753
d
im
en
s
io
n
s
,
th
e
o
b
s
er
v
e
o
b
je
ctiv
es
to
p
r
o
v
id
e
in
s
ig
h
ts
in
to
h
o
w
co
m
p
a
n
ies
ca
n
s
tr
ateg
ically
lev
er
ag
e
th
ese
f
ac
to
r
s
to
r
ein
f
o
r
ce
th
eir
co
m
m
itm
en
t
to
p
r
o
tectio
n
.
L
astl
y
,
th
e
r
esear
ch
en
d
ea
v
o
r
s
to
in
v
e
s
tig
ate
th
e
in
tr
ica
t
e
in
ter
d
ep
en
d
en
cies
b
etwe
en
s
o
cial
s
u
s
tain
ab
ilit
y
p
r
o
jects
an
d
OHSMS
im
p
lem
en
tatio
n
i
n
s
h
ap
in
g
a
r
o
b
u
s
t
s
af
ety
cu
ltu
r
e.
T
h
r
o
u
g
h
th
is
co
m
p
r
eh
e
n
s
iv
e
in
q
u
ir
y
,
th
e
s
tu
d
y
aim
ed
to
ad
v
an
ce
s
ch
o
la
r
ly
u
n
d
er
s
tan
d
i
n
g
an
d
p
r
o
v
id
e
p
r
ac
tical
in
s
ig
h
ts
f
o
r
o
r
g
an
izatio
n
s
s
ee
k
in
g
t
o
en
h
a
n
ce
th
eir
s
af
ety
m
an
a
g
em
en
t
p
r
ac
tices.
3.
M
E
T
H
O
D
As
p
ar
t
o
f
t
h
is
s
tu
d
y
,
we
h
av
e
f
o
llo
w
ed
ex
p
lo
r
ato
r
y
an
d
d
escr
i
p
tiv
e
r
esear
ch
d
esig
n
.
U
n
d
er
e
x
p
lo
r
ato
r
y
r
esear
ch
d
esig
n
we
co
n
d
u
ct
ed
in
ter
v
iews
with
th
e
ex
p
e
r
ts
f
r
o
m
th
e
co
n
ce
r
n
e
d
f
ield
i
n
I
C
T
i
n
d
u
s
tr
y
.
T
h
is
h
elp
ed
u
s
in
u
n
d
e
r
s
tan
d
in
g
th
e
p
r
o
b
le
m
s
tatem
en
t
in
m
o
r
e
d
ep
th
.
U
n
d
er
d
escr
ip
tiv
e
r
esear
ch
d
esig
n
we
p
r
e
p
ar
ed
th
e
q
u
esti
o
n
n
air
e
o
n
f
iv
e
-
p
o
in
t
L
i
k
er
t
s
ca
le
an
d
co
n
d
u
ct
th
e
s
u
r
v
ey
to
ca
p
tu
r
e
p
r
im
ar
y
d
ata.
Fo
r
th
is
s
u
r
v
ey
we
tar
g
et
ed
a
b
alan
ce
d
m
ix
o
f
r
esp
o
n
d
en
ts
f
r
o
m
i
n
d
u
s
tr
y
wo
r
k
in
g
u
n
d
er
d
if
f
er
en
t
r
o
les
an
d
ca
p
ac
ities
to
u
n
d
er
s
tan
d
h
o
w
t
h
ese
v
ar
iab
le
s
ar
e
p
er
ce
iv
e
d
b
y
th
em
.
Su
r
v
e
y
was
co
n
d
u
cted
in
o
n
lin
e
m
o
d
e
b
ased
o
n
5
-
Po
in
t
L
ik
er
t
s
ca
le.
W
e
h
av
e
m
ajo
r
ly
f
o
cu
s
ed
o
n
b
elo
w
m
en
tio
n
ed
r
esp
o
n
d
en
ts
:
i)
E
n
g
in
ee
r
s
/
tech
n
i
cian
s
wo
r
k
in
g
at
s
ites
;
i
i)
Su
p
er
v
is
o
r
s
/p
r
o
ject
m
an
ag
er
s
co
o
r
d
in
atin
g
t
h
e
ac
tiv
i
ties
at
s
ite
s
;
iii)
Hea
lth
s
af
ety
an
d
welf
ar
e
(
HSW
)
team
m
em
b
er
s
;
iv
)
Ve
n
d
o
r
c
o
m
p
an
ies’
k
e
y
p
er
s
o
n
s
/d
ec
is
io
n
m
ak
e
r
s
;
v
)
Sen
io
r
m
an
ag
e
m
en
t
k
ey
m
em
b
er
s
.
T
h
e
r
eliab
ilit
y
o
f
th
e
co
llected
d
ata
is
ev
alu
ated
u
s
in
g
C
r
o
n
b
ac
h
’
s
alp
h
a
co
ef
f
icien
ts
.
Ad
d
itio
n
ally
,
th
e
co
n
v
er
g
en
t a
n
d
d
is
cr
im
in
an
t
v
alid
ity
o
f
th
e
m
e
asu
r
es a
r
e
ass
ess
ed
th
r
o
u
g
h
co
n
f
i
r
m
ato
r
y
f
a
cto
r
an
aly
s
is
.
Fig
u
r
e
1
r
ep
r
esen
ts
th
e
c
o
n
ce
p
tu
al
f
r
am
ewo
r
k
o
f
OHSMS
im
p
lem
en
tatio
n
.
W
e
p
r
ed
ict
th
at
ef
f
ec
tiv
e
im
p
lem
en
tatio
n
o
f
OHSMS
aim
ed
at
en
h
a
n
cin
g
w
o
r
k
e
n
g
ag
em
en
t,
s
o
cial
s
u
s
tain
ab
ilit
y
an
d
co
n
s
eq
u
en
tly
en
h
an
ce
th
e
lev
el
o
f
s
af
ety
c
lim
ate
an
d
s
af
ety
b
e
h
av
i
o
r
in
th
e
o
r
g
an
izatio
n
.
W
e
ad
o
p
te
d
a
b
i
-
d
im
en
s
io
n
al
ap
p
r
o
ac
h
to
ex
a
m
in
e
s
u
cc
ess
f
ac
to
r
s
o
f
an
OHSMS.
T
o
s
tu
d
y
th
e
s
am
e
f
o
llo
win
g
h
y
p
o
th
es
is
is
co
n
s
id
er
ed
:
T
o
tal
E
f
f
ec
t:
-
H1
a:
E
f
f
ec
tiv
e
im
p
l
em
e
n
tatio
n
o
f
OHSMS
→
s
af
ety
clim
ate
-
H1
b
: E
f
f
ec
tiv
e
im
p
lem
en
tatio
n
o
f
OHSMS
→Saf
ety
B
eh
av
io
r
Me
d
iatio
n
E
f
f
ec
t:
-
H2
a:
E
f
f
ec
tiv
e
im
p
l
em
e
n
tatio
n
o
f
OHSMS
→
s
o
cial
s
u
s
tain
ab
ilit
y
→
s
af
ety
clim
a
te
-
H2
b
: E
f
f
ec
tiv
e
im
p
le
m
en
tatio
n
o
f
OHSMS
→
s
o
cial
s
u
s
tain
ab
ilit
y
→s
af
ety
b
eh
av
i
or
-
H3
a:
E
f
f
ec
tiv
e
im
p
l
em
e
n
tatio
n
o
f
OHSMS
→
wo
r
k
en
g
a
g
e
m
en
t →
s
af
ety
clim
ate
-
H3
b
: E
f
f
ec
tiv
e
im
p
lem
en
tatio
n
o
f
OHSMS
→
wo
r
k
en
g
a
g
e
m
en
t →
s
af
ety
b
eh
a
v
io
r
Fig
u
r
e
1
.
Fra
m
ewo
r
k
o
f
im
p
le
m
en
tatio
n
o
f
OHSMS
W
e
u
s
ed
s
tr
u
ctu
r
al
eq
u
atio
n
m
o
d
elin
g
to
esti
m
ate
th
e
c
o
ef
f
icien
ts
f
o
r
h
y
p
o
th
esized
p
ath
s
.
T
h
e
o
u
tco
m
e
f
r
o
m
th
e
s
tu
d
y
is
i
d
en
tify
in
g
t
h
e
ch
allen
g
es
in
ef
f
ec
tiv
e
im
p
lem
en
tatio
n
o
f
OHSMS
an
d
th
eir
r
elatio
n
s
h
ip
with
s
af
ety
b
eh
a
v
io
r
o
f
th
e
o
r
g
a
n
izatio
n
.
W
o
r
k
en
g
a
g
em
en
t
a
n
d
s
o
cial
s
u
s
tain
ab
ilit
y
ar
e
m
ajo
r
co
n
tr
ib
u
tin
g
f
ac
to
r
s
f
o
r
a
n
ef
f
e
ctiv
e
im
p
lem
en
tatio
n
o
f
OHSMS
an
d
s
af
ety
cu
ltu
r
e
.
I
n
d
ee
d
,
th
er
e
ap
p
e
ar
s
to
b
e
a
g
ap
in
ev
alu
atin
g
th
e
im
p
a
ct
o
f
b
o
th
in
ter
o
r
g
an
izatio
n
al
an
d
in
tr
ao
r
g
a
n
izatio
n
al
co
lla
b
o
r
atio
n
o
n
s
af
ety
m
an
ag
em
en
t
p
r
ac
tices
an
d
,
co
n
s
eq
u
en
tly
,
o
n
th
e
o
v
er
all
s
af
e
ty
p
er
f
o
r
m
an
ce
o
f
th
e
o
r
g
an
iz
atio
n
.
T
h
is
s
u
g
g
ests
a
n
ee
d
f
o
r
f
u
r
th
er
r
esear
ch
to
e
x
p
lo
r
e
h
o
w
co
llab
o
r
atio
n
b
etw
ee
n
d
if
f
er
en
t
o
r
g
an
izatio
n
s
an
d
with
in
in
d
iv
id
u
al
o
r
g
an
izatio
n
s
ca
n
co
n
t
r
ib
u
te
t
o
im
p
r
o
v
ed
s
af
ety
o
u
tco
m
es.
Saf
ety
cu
ltu
r
e
m
u
s
t
b
e
em
b
r
ac
ed
as
life
r
o
u
tin
e
b
y
th
e
o
r
g
an
izatio
n
s
wh
ile
d
esig
n
in
g
m
an
a
g
em
en
t
s
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s
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ated
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ce
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e
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ical
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ee
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icate
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h
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ests
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er
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d
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est
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ican
tly
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t o
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e
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t
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b
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at
w
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s
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d
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e
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ter
esti
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h
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v
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lis
ted
in
T
a
b
le
3
.
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t,
we
ch
ec
k
ed
if
f
r
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n
tlin
e
em
p
lo
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s
'
p
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ce
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ety
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m
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to
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izatio
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.
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th
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th
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u
p
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r
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t
h
esis
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wev
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,
we
d
id
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'
t
f
in
d
a
s
ig
n
if
ica
n
t
lin
k
b
etwe
en
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p
lo
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p
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ce
p
ti
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s
o
f
o
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p
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v
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s
,
s
o
o
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r
s
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co
n
d
h
y
p
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th
esis
was
r
ejec
ted
.
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t,
we
lo
o
k
ed
at
wh
eth
er
f
ac
to
r
s
lik
e
th
e
o
r
g
an
izatio
n
'
s
s
af
ety
cu
ltu
r
e
an
d
e
m
p
lo
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s
'
p
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ce
p
tio
n
s
o
f
o
cc
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p
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lth
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n
d
s
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ety
in
f
lu
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d
th
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s
af
ety
b
eh
av
io
u
r
s
th
r
o
u
g
h
th
in
g
s
lik
e
wo
r
k
en
g
a
g
em
en
t.
W
e
f
o
u
n
d
th
at
p
er
ce
p
tio
n
s
o
f
o
cc
u
p
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al
h
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d
s
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id
h
av
e
a
n
in
d
ir
ec
t
ef
f
ec
t
o
n
s
af
ety
b
eh
av
i
o
u
r
s
th
r
o
u
g
h
wo
r
k
en
g
ag
em
e
n
t
(
W
E
)
,
s
u
p
p
o
r
tin
g
o
u
r
th
ir
d
h
y
p
o
th
esis
.
Ov
er
all,
o
u
r
f
in
d
in
g
s
s
u
g
g
est
th
at
p
e
r
ce
p
tio
n
s
o
f
s
af
ety
at
wo
r
k
an
d
o
r
g
an
izatio
n
al
c
o
m
m
itm
en
t
p
lay
a
r
o
le
in
em
p
lo
y
ee
s
'
s
a
f
ety
b
eh
av
io
u
r
s
,
b
u
t
th
e
lin
k
b
etw
ee
n
p
er
ce
p
tio
n
s
o
f
o
cc
u
p
atio
n
al
h
ea
lth
an
d
s
af
ety
an
d
s
o
cial
s
af
ety
b
e
h
av
io
u
r
s
m
ig
h
t n
o
t
b
e
as st
r
o
n
g
.
T
ab
le
2
.
Me
an
,
SD,
an
d
in
te
r
-
co
r
r
elatio
n
s
b
etwe
en
th
e
v
ar
ia
b
les
V
a
r
i
a
b
l
e
M
e
a
n
SD
α
CR
1
2
3
4
5
6
7
8
A
g
e
2
5
.
8
6
4
.
7
6
-
-
0
.
1
6
*
J
o
b
t
e
n
u
r
e
4
.
3
2
2
.
5
7
-
-
0
.
0
4
S
a
f
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t
y
p
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r
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p
t
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n
s
3
.
1
7
0
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6
7
0
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6
0
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8
7
0
.
0
8
-
0
.
0
5
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0
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0
6
(
0
.
5
6
)
W
o
r
k
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n
g
a
g
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m
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n
t
3
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2
3
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4
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0
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0
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0
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4
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(
0
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6
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S
a
f
e
t
y
c
u
l
t
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r
e
3
.
6
1
0
.
8
1
0
.
8
8
0
.
8
1
0.
13
†
-
0
.
0
2
0
.
0
2
0
.
2
5
*
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0
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3
5
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0
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4
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0
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3
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(
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7
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N
o
t
e
:
†
p
<
0
.
1
0
,
*
p
<
0
.
0
5
,
*
*
p
<
0
.
0
1
.
T
ab
le
3
.
Path
co
e
f
f
icien
ts
an
d
in
d
ir
ec
t e
f
f
ec
ts
f
o
r
th
e
m
e
d
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n
m
o
d
els
F
r
o
m →
t
o
(
b
)
O
H
S
M
S
WE
S
a
f
e
t
y
c
l
i
mat
e
S
a
f
e
t
y
b
e
h
a
v
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o
r
A
g
e
0
-
0
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0
2
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0
.
0
0
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0
.
1
9
Jo
b
t
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n
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r
e
0
.
0
2
0
.
1
8
0
.
0
1
0
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0
4
S
a
f
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t
y
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h
a
v
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8
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3
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S
0
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4
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0
.
4
2
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1
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4
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%
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8
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b
C
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g
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I
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d
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c
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f
f
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c
t
O
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M
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→
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o
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k
e
n
g
a
g
e
me
n
t
→
s
a
f
e
t
y
c
l
i
m
a
t
e
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An
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p
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p
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in
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,
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r
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an
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c
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m
m
u
n
ica
tio
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,
p
a
r
ticip
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,
co
n
s
u
ltatio
n
,
ap
p
licatio
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a
n
d
o
p
er
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,
p
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f
o
r
m
an
ce
m
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asu
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em
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t,
co
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r
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ctiv
e
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d
p
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ev
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ac
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m
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v
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an
d
co
n
tin
u
o
u
s
im
p
r
o
v
em
e
n
t
[
3
1
]
.
I
t
p
lay
s
a
cr
u
cial
r
o
le
in
b
u
ild
in
g
tr
u
s
t
am
o
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p
lo
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as a
q
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ir
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tain
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two
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th
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elatio
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wh
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b
asics
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f
civ
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co
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p
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b
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h
av
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r
.
Peo
p
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an
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ciety
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t
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8
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C
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imp
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I
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Ga
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elin
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ef
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cts
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cial
also
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im
p
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o
v
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t
in
s
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ab
ilit
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in
s
o
ciety
will p
r
o
d
u
ce
p
o
s
itiv
e
r
esu
lts
in
o
r
g
a
n
izatio
n
s
o
cial
s
u
s
tain
ab
ilit
y
.
A
p
o
wer
f
u
l e
x
ter
n
al
f
o
r
ce
ca
n
in
ter
f
er
e
i
n
th
is
in
ter
ac
tiv
e
p
r
o
ce
s
s
b
u
t c
an
n
o
t e
li
m
in
ate
th
e
im
p
ac
t o
f
o
n
e
o
n
a
n
o
th
er
[
3
2
]
.
Saf
ety
cu
ltu
r
e
in
a
o
r
g
an
izati
o
n
co
m
p
r
is
es
th
e
v
alu
es,
p
er
ce
p
tio
n
s
,
attitu
d
es,
an
d
b
eh
a
v
io
r
s
o
f
its
m
em
b
er
s
.
C
u
ltu
r
e
d
ev
elo
p
s
a
co
m
m
o
n
b
o
n
d
a
m
o
n
g
p
e
o
p
le
i
n
th
e
s
o
ciety
w
h
ich
r
e
f
lects
in
ev
er
y
asp
ec
t
o
f
life
,
h
en
ce
,
s
af
e
ty
cu
ltu
r
e
o
f
a
n
o
r
g
an
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co
n
tr
i
b
u
tes
to
cr
ea
te
a
s
af
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cu
ltu
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in
s
o
cieta
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B
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f
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ltu
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t,
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ticip
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s
th
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lev
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te
g
r
atio
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,
r
e
v
iew,
p
r
o
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d
u
r
es,
d
o
cu
m
e
n
tatio
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,
r
is
k
m
an
ag
em
en
t.
All th
ese
ele
m
e
n
ts
co
n
tr
ib
u
te
to
en
g
en
d
er
i
n
g
a
wo
r
k
i
n
g
e
n
v
ir
o
n
m
en
t
wh
er
e
wo
r
k
p
lace
s
af
ety
is
p
r
io
r
ity
a
n
d
ad
d
r
ess
an
im
p
o
r
t
an
t a
s
p
ec
t o
f
s
o
cial
s
u
s
tain
ab
liti
y
wh
ich
is
lin
k
ed
to
h
u
m
a
n
well
-
b
ein
g
[
3
3
]
.
W
o
r
k
in
g
en
v
ir
o
n
m
en
t
an
d
w
o
r
k
p
lace
c
o
n
d
itio
n
s
ar
e
r
ate
d
h
ig
h
as
an
in
d
icatio
n
o
f
h
ig
h
er
jo
b
s
atis
f
ac
tio
n
an
d
b
etter
p
er
f
o
r
m
an
ce
at
wo
r
k
ir
r
esp
ec
tiv
e
o
f
th
e
in
d
u
s
tr
y
[
1
8
]
.
T
h
ese
in
d
icato
r
s
m
ig
h
t
ch
an
g
e
to
f
ew
d
eg
r
ee
s
in
o
th
e
r
in
d
u
s
tr
ies
h
o
wev
er
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itiv
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am
o
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th
ese
f
ac
to
r
s
s
h
alll
b
e
ev
id
en
t
ac
r
o
s
s
th
e
in
d
u
s
tr
ies.
Ho
wev
er
,
th
er
e
will
b
e
a
n
ee
d
to
estab
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h
m
a
n
a
g
em
en
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tem
s
in
ac
c
o
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d
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n
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ter
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ter
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al
d
y
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am
ics
o
f
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o
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izato
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.
OHSMS
m
u
s
t
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id
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n
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er
s
tr
ateg
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io
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ak
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ltu
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ce
p
t
f
o
r
th
e
s
u
cc
ess
o
f
a
n
o
r
g
an
izatio
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s
’
s
o
cial
s
u
s
tain
ab
ilit
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.
A
m
a
n
ag
em
e
n
t
s
y
s
tem
n
ee
d
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b
e
c
r
ea
ted
in
a
way
th
at
it su
p
p
o
r
ts
th
e
cu
ltu
r
e
an
d
s
tr
u
ctu
r
e
o
f
s
o
ciety
[
3
1
]
,
[
3
2
]
.
W
o
r
k
p
l
a
c
e
b
e
h
v
i
o
u
r
s
i
m
p
a
ct
s
o
c
i
a
l
b
e
h
v
i
o
u
r
a
n
d
r
e
l
a
t
i
o
n
s
h
i
p
o
f
e
m
p
l
o
y
e
e
s
.
I
f
a
n
e
m
p
l
o
y
e
e
f
e
e
l
v
a
l
u
e
d
a
t
w
o
r
k
p
l
a
c
e
,
p
e
r
c
i
e
v
e
f
a
i
r
n
e
s
s
i
n
p
r
a
c
t
i
c
e
s
,
o
b
s
e
r
v
e
c
i
v
il
i
t
y
c
u
l
t
u
r
e
t
h
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n
h
i
s
s
o
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i
e
ta
l
r
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a
ti
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p
s
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i
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e
x
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e
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i
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n
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e
s
i
m
il
a
r
k
i
n
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o
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b
e
h
a
v
i
o
r
s
.
H
e
n
c
e
,
o
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g
a
n
i
z
a
t
i
o
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c
u
l
t
u
r
e
h
a
s
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u
g
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i
m
p
a
c
t
o
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u
m
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e
h
a
v
i
o
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a
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u
s
t
a
i
b
i
li
t
y
a
p
p
r
o
a
c
h
o
f
t
h
e
b
u
s
i
n
e
s
s
i
n
f
l
u
en
c
e
s
u
s
t
a
i
n
a
b
l
e
d
e
v
el
o
p
m
e
n
t
o
f
h
u
m
a
n
b
e
i
n
g
s
d
i
r
e
c
t
l
y
o
r
i
n
d
i
r
e
c
t
l
y
[
3
3
]
.
So
cial
s
u
s
tain
ab
ilit
y
is
th
e
b
asi
c
r
eq
u
ir
em
e
n
t
to
s
af
eg
au
r
d
h
u
m
an
s
y
s
tem
s
f
r
o
m
s
y
s
tem
atic
d
eg
r
ad
atio
n
an
d
in
b
u
s
in
ess
s
ettin
g
s
tr
u
s
t
a
n
d
em
p
lo
y
ee
co
o
p
er
atio
n
ar
e
k
ey
f
ac
t
o
r
s
to
ac
h
iev
e
t
h
e
s
y
n
er
g
y
e
f
f
ec
t
o
f
s
o
cial
s
u
s
tain
ab
ilit
y
.
A
cir
clu
ar
r
elat
io
n
s
h
ip
ca
n
b
e
estab
lis
h
ed
b
et
wee
n
b
u
s
in
ess
an
d
s
o
ciety
if
a
p
o
s
itiv
e
f
ee
d
b
ac
k
m
ec
h
an
is
m
is
id
en
tifie
d
an
d
p
r
ac
ticed
.
So
cial
s
u
s
tain
ab
ilit
y
asp
ec
t
n
ee
d
s
im
m
ed
iate
ac
tio
n
is
s
af
ety
at
wo
r
k
p
lace
wh
ich
f
u
r
th
er
im
p
ac
t
em
p
lo
y
ee
s
’
m
o
r
al,
tr
u
s
t
an
d
p
er
f
o
r
m
n
ac
e
.
Ç
alış
an
d
B
ü
y
ü
k
a
k
ın
cı
[
1
9
]
h
as
em
p
h
asis
ed
o
n
ad
o
p
tin
g
OHSMS
in
with
a
s
tan
d
a
r
i
s
ed
ap
p
r
o
ac
h
an
d
in
a
p
r
o
ac
tiv
e
m
an
n
e
r
to
ac
h
iev
e
g
o
al
o
f
s
o
cial
s
u
s
tain
ab
ilit
y
in
b
u
s
in
ess
.
T
h
e
ch
allen
g
e
is
h
o
w
to
a
p
p
ly
s
o
cial
s
u
s
tain
b
ality
in
d
icato
r
s
an
d
p
r
in
ci
p
als
to
a
s
p
ec
if
ic
in
d
u
s
tr
y
o
r
p
r
o
ce
s
s
.
Dev
elo
p
in
g
a
f
r
am
ewo
r
k
to
as
s
ess
s
s
o
cial
s
u
s
tain
b
il
ity
in
co
n
tex
t
o
f
a
p
aticu
lar
in
d
u
s
tr
y
is
r
eq
u
ir
ed
t
o
f
ill th
e
g
ap
am
o
n
g
t
h
r
ee
p
illar
s
o
f
s
u
s
tain
ab
ilit
y
i.e
.
ec
o
n
o
m
o
ic,
en
v
ir
o
n
m
en
t a
n
d
s
o
cia
l
[
3
4
]
.
Fair
n
ess
,
s
af
e
wo
r
k
p
r
ac
t
ices,
civ
ilit
y
an
d
eq
u
ality
ar
e
c
r
itical
in
cr
ea
tin
g
s
u
s
tain
ab
le
o
r
g
an
izatio
n
c
u
ltu
r
e,
s
u
s
tain
ab
le
p
r
o
d
u
ct
an
d
f
u
r
th
e
r
s
u
p
p
o
r
ts
th
e
im
p
lem
en
tatio
n
o
f
in
teg
r
ated
m
a
n
ag
em
en
t
s
y
s
tem
s
wh
ich
r
esu
lt
in
p
r
o
f
ita
b
ilit
y
an
d
s
u
s
tain
ab
le
d
ev
elo
p
m
en
t f
o
r
th
e
b
u
s
in
ess
[
3
5
]
.
I
t
is
im
p
er
ativ
e
to
ad
o
p
t
lea
d
er
s
h
ip
ap
p
r
o
ac
h
to
im
p
r
o
v
e
o
cc
u
p
atio
n
al
h
ea
lth
a
n
d
s
af
ety
to
en
s
u
r
e
em
p
lo
y
ee
s
’
s
to
war
d
s
wo
r
k
p
la
ce
s
af
ety
is
p
o
s
itiv
e
b
u
t
OHS
MS
p
r
ac
tices
o
f
an
o
r
g
an
izati
o
n
g
et
af
f
ec
ted
b
y
s
ev
er
al
f
ac
to
r
s
th
o
u
g
h
a
n
o
r
g
a
n
izatio
n
m
u
s
t
m
an
ag
e
r
is
k
s
an
d
h
az
ar
d
s
at
wo
r
k
p
lace
to
en
s
u
r
e
h
ea
lth
an
d
s
af
ety
o
f
wo
r
k
er
s
.
I
t
is
im
p
er
ativ
e
f
o
r
an
o
r
g
an
izatio
n
to
ass
ess
,
an
al
y
s
e
an
d
r
esp
o
n
d
to
r
is
k
s
y
s
tem
atica
lly
s
til
l
d
eg
r
ee
o
f
s
u
cc
ess
o
f
an
OHSMS
v
ar
i
es
f
r
o
m
o
r
g
a
n
izatio
n
t
o
o
r
g
an
i
za
tio
n
d
e
p
en
d
in
g
u
p
o
n
co
m
m
i
tm
en
t,
k
n
o
wled
g
e
,
f
in
an
cial
r
eso
u
r
ce
s
,
p
r
o
ce
s
s
es,
an
d
p
r
o
ce
d
u
r
es
alo
n
g
with
p
r
o
d
u
ctiv
ity
a
n
d
p
r
o
f
itab
ilit
y
.
Mo
s
t
o
f
th
e
f
ac
to
r
s
ar
e
in
v
er
s
ely
co
r
r
esp
o
n
d
en
t
to
th
e
s
ize
o
f
an
o
r
g
an
izatio
n
.
T
h
e
co
m
p
an
y
s
ize,
th
e
s
af
ety
p
r
ac
tices
an
d
co
m
p
an
y
p
er
f
o
r
m
an
ce
a
r
e
r
elate
d
with
th
e
s
tan
d
ar
d
o
f
OHSMS
b
u
t
wh
at
is
ass
o
ciatio
n
o
f
th
ese
f
ac
to
r
s
with
OHSMS
p
r
ac
tice
in
an
o
r
g
a
n
izatio
n
is
to
b
e
in
v
esti
g
ated
[
3
6
]
,
[
3
7
]
.
I
t
is
im
p
o
r
tan
t
to
s
tu
d
y
alig
n
m
en
t
o
f
s
tak
eh
o
ld
er
s
in
v
o
lv
ed
with
in
an
d
o
u
ts
id
e
t
h
e
o
r
g
an
izatio
n
,
in
f
l
u
en
cin
g
s
af
ety
p
er
f
o
r
m
an
ce
an
d
c
u
ltu
r
e
o
f
th
e
s
etu
p
o
r
p
r
o
ject,
h
en
ce
an
in
v
esti
g
atio
n
is
co
n
d
u
cted
to
u
n
d
er
s
tan
d
h
o
w
s
tu
d
y
m
an
a
g
em
en
t
p
r
ac
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v
ar
y
in
two
s
ettin
g
s
i.e
.
,
in
ter
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o
r
g
a
n
izatio
n
al
an
d
in
tr
a
-
o
r
g
an
izatio
n
al
[
3
8
]
.
5.
CO
NCLU
SI
O
N
Or
g
an
izatio
n
s
wo
r
k
i
n
g
in
I
C
T
s
p
ac
e
h
av
e
ad
o
p
ted
OHS
MS
to
id
en
tify
an
d
m
an
ag
e
o
cc
u
p
atio
n
al
h
ea
lth
an
d
s
af
ety
r
is
k
s
an
d
h
az
ar
d
s
ca
ter
in
g
to
th
eir
r
e
q
u
ir
em
en
ts
.
Ho
wev
er
,
cr
ea
tin
g
s
af
ety
cu
ltu
r
e
an
d
d
ev
elo
p
s
af
ety
b
eh
av
io
r
f
o
r
a
s
u
cc
ess
f
u
l
OHSMS
ar
e
th
e
m
an
d
ates
h
o
wev
er
a
m
u
ch
b
i
g
g
er
ch
allen
g
e
f
o
r
s
u
c
h
o
r
g
an
izatio
n
s
.
Saf
et
y
cu
ltu
r
e
an
d
s
af
ety
b
eh
av
i
o
r
ar
e
o
u
tco
m
es
o
f
c
o
n
tin
u
o
u
s
co
m
m
itm
en
t,
r
eso
u
r
ce
s
,
p
ar
ticip
atio
n
an
d
ac
ce
p
tan
ce
a
cr
o
s
s
t
h
e
lev
els.
T
h
er
e
ar
e
h
az
ar
d
s
p
r
esen
t
at
ev
er
y
s
tag
e
o
f
I
C
T
p
r
o
jects
wh
ich
m
ay
b
e
k
n
o
wn
a
n
d
u
n
k
n
o
wn
at
th
e
s
am
e
tim
e
f
o
r
p
e
o
p
le
w
o
r
k
in
g
th
er
e
.
Me
d
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n
ef
f
ec
t
o
f
th
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tu
d
y
f
u
r
th
er
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tr
en
g
th
en
th
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v
er
y
f
o
u
n
d
atio
n
o
f
a
s
af
ety
cu
ltu
r
e
b
y
af
f
ir
m
in
g
th
at
a
p
o
s
itiv
e
s
af
ety
clim
ate
m
o
tiv
ates
em
p
lo
y
ee
s
to
tak
e
u
p
s
af
ety
a
s
p
r
io
r
ity
willin
g
ly
an
d
a
n
eg
a
tiv
e
s
af
ety
clim
ate
ef
f
ec
ts
em
p
lo
y
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s
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m
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tiv
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v
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ely
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p
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ce
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k
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n
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clin
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Evaluation Warning : The document was created with Spire.PDF for Python.
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p
ar
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in
s
af
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p
r
ac
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n
d
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p
t saf
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b
eh
av
i
o
r
s
in
t
h
e
lo
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An
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s
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f
u
l im
p
lem
en
tatio
n
o
f
OHSMS.
RE
F
E
R
E
NC
E
S
[
1
]
S
.
K
e
sh
a
r
w
a
n
i
,
“
I
n
d
i
a
-
C
o
u
n
t
r
y
c
o
mm
e
r
c
i
a
l
g
u
i
d
e
:
i
n
f
o
r
m
a
t
i
o
n
a
n
d
c
o
mm
u
n
i
c
a
t
i
o
n
t
e
c
h
n
o
l
o
g
y
,
”
I
n
t
e
rn
a
t
i
o
n
a
l
T
r
a
d
e
Ad
m
i
n
i
s
t
r
a
t
i
o
n
,
D
e
p
a
rt
m
e
n
t
o
f
C
o
m
m
e
rce
,
U
n
i
t
e
d
S
t
a
t
e
s
o
f
Am
e
ri
c
a
,
2
0
2
4
.
h
t
t
p
s:
/
/
w
w
w
.
t
r
a
d
e
.
g
o
v
/
c
o
u
n
t
r
y
-
c
o
mm
e
r
c
i
a
l
-
g
u
i
d
e
s/
i
n
d
i
a
-
i
n
f
o
r
m
a
t
i
o
n
-
a
n
d
-
c
o
mm
u
n
i
c
a
t
i
o
n
-
t
e
c
h
n
o
l
o
g
y
(
a
c
c
e
sse
d
J
u
l
.
1
6
,
2
0
2
4
)
.
[
2
]
I
B
EF,
“
Te
l
e
c
o
m
i
n
d
u
st
r
y
i
n
I
n
d
i
a
,
”
I
n
d
i
a
Bra
n
d
E
q
u
i
t
y
F
o
u
n
d
a
t
i
o
n
,
2
0
2
4
.
h
t
t
p
s:
/
/
w
w
w
.
i
b
e
f
.
o
r
g
/
i
n
d
u
st
r
y
/
t
e
l
e
c
o
mm
u
n
i
c
a
t
i
o
n
s
(
a
c
c
e
s
se
d
J
u
l
.
1
6
,
2
0
2
4
)
.
[
3
]
M
.
B
a
y
r
a
m
,
B
.
A
r
p
a
t
,
a
n
d
Y
.
O
z
k
a
n
,
“
S
a
f
e
t
y
p
r
i
o
r
i
t
y
,
s
a
f
e
t
y
r
u
l
e
s,
safe
t
y
p
a
r
t
i
c
i
p
a
t
i
o
n
a
n
d
saf
e
t
y
b
e
h
a
v
i
o
u
r
:
t
h
e
med
i
a
t
i
n
g
r
o
l
e
o
f
safet
y
t
r
a
i
n
i
n
g
,
”
I
n
t
e
r
n
a
t
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o
n
a
l
J
o
u
rn
a
l
o
f
O
c
c
u
p
a
t
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o
n
a
l
S
a
f
e
t
y
a
n
d
Er
g
o
n
o
m
i
c
s
,
v
o
l
.
2
8
,
n
o
.
4
,
p
p
.
2
1
3
8
–
2
1
4
8
,
O
c
t
.
2
0
2
2
,
d
o
i
:
1
0
.
1
0
8
0
/
1
0
8
0
3
5
4
8
.
2
0
2
1
.
1
9
5
9
1
3
1
.
[
4
]
S
.
R
a
j
a
k
r
i
sh
n
a
n
,
V
.
H
.
C
.
W
.
A
b
d
u
l
l
a
h
,
a
n
d
N
.
A
g
h
a
mo
h
a
mm
a
d
i
,
“
O
r
g
a
n
i
z
a
t
i
o
n
a
l
safe
t
y
c
l
i
ma
t
e
a
n
d
w
o
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p
l
a
c
e
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o
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e
n
c
e
a
m
o
n
g
p
r
i
mar
y
h
e
a
l
t
h
c
a
r
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w
o
r
k
e
r
s
i
n
M
a
l
a
y
s
i
a
,
”
I
n
t
e
rn
a
t
i
o
n
a
l
J
o
u
r
n
a
l
o
f
P
u
b
l
i
c
H
e
a
l
t
h
S
c
i
e
n
c
e
,
v
o
l
.
1
1
,
n
o
.
1
,
p
p
.
8
8
–
9
7
,
M
a
r
.
2
0
2
2
,
d
o
i
:
1
0
.
1
1
5
9
1
/
i
j
p
h
s.
v
1
1
i
1
.
2
0
9
2
9
.
[
5
]
A
.
R
a
n
sf
o
r
d
Te
t
t
e
h
a
n
d
Y
.
L
i
a
n
g
,
“
I
n
v
e
st
i
g
a
t
i
n
g
t
h
e
o
c
c
u
p
a
t
i
o
n
a
l
h
e
a
l
t
h
a
n
d
s
a
f
e
t
y
p
r
a
c
t
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s
i
n
h
i
g
h
-
r
i
s
e
b
u
i
l
d
i
n
g
c
o
n
st
r
u
c
t
i
o
n
si
t
e
s
,
”
I
n
t
e
r
n
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
S
c
i
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n
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e
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n
d
R
e
se
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rc
h
,
v
o
l
.
9
,
n
o
.
4
,
p
p
.
7
6
–
8
1
,
A
p
r
.
2
0
2
0
,
d
o
i
:
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0
.
2
1
2
7
5
/
S
R
2
0
3
1
3
0
8
4
8
0
0
.
[
6
]
M
.
B
a
y
r
a
m
a
n
d
M
.
C
.
Ü
n
ğ
a
n
,
“
T
h
e
r
e
l
a
t
i
o
n
sh
i
p
s
b
e
t
w
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O
H
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p
r
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O
H
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r
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m
p
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t
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sf
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c
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o
n
,
O
H
S
p
e
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f
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m
a
n
c
e
a
n
d
a
c
c
i
d
e
n
t
c
o
s
t
s,”
T
o
t
a
l
Q
u
a
l
i
t
y
M
a
n
a
g
e
m
e
n
t
&
B
u
si
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Ex
c
e
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