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20
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er
io
u
s
d
o
u
b
ts
a
s
to
w
h
et
h
er
th
e
c
u
r
r
en
t sa
f
et
y
m
e
asu
r
es p
u
t in
p
lace
i
n
s
u
ch
r
i
s
k
y
w
o
r
k
p
lace
s
w
er
e
s
u
f
f
icie
n
t.
Hel
m
e
ts
w
it
h
g
a
s
s
en
s
o
r
s
an
d
I
o
T
-
en
ab
led
co
m
m
u
n
icat
io
n
d
ev
ice
s
w
o
u
ld
h
a
v
e
g
i
v
en
a
r
ea
l
ti
m
e
aler
t
to
th
e
s
u
r
f
ac
e,
th
er
ef
o
r
e
w
o
u
ld
h
a
v
e
ac
ted
p
r
o
m
p
tl
y
to
in
ter
v
en
e
an
d
p
r
o
b
ab
ly
av
er
t
th
e
ca
la
m
it
y
alto
g
eth
er
.
R
e
g
u
lato
r
y
co
n
tr
o
l
an
d
in
v
est
m
e
n
t
in
m
in
e
s
a
f
e
t
y
[
2
]
is
s
till
lim
ited
in
m
o
s
t
o
f
th
e
d
ev
elo
p
in
g
co
u
n
tr
ies,
a
n
d
p
r
ed
ictiv
e
s
a
f
et
y
s
y
s
te
m
s
ar
e
b
ec
o
m
in
g
e
v
e
n
m
o
r
e
u
r
g
e
n
t
i
n
t
h
ese
n
atio
n
s
.
Ma
n
y
o
f
t
h
e
m
i
n
es
h
av
e
n
o
t
y
et
h
ad
s
o
p
h
is
tica
ted
tr
ac
k
in
g
a
n
d
m
o
n
ito
r
in
g
s
y
s
te
m
s
i
n
s
talled
h
e
n
ce
t
h
e
o
cc
u
r
r
e
n
ce
an
d
s
e
v
er
it
y
o
f
ac
cid
en
ts
.
T
h
e
ap
p
licatio
n
o
f
I
o
T
an
d
s
en
s
o
r
-
b
ased
tec
h
n
o
lo
g
ies
to
s
m
ar
t h
e
l
m
e
ts
w
i
ll
n
o
t
o
n
l
y
h
elp
m
i
n
i
m
ize
th
e
n
u
m
b
er
o
f
ac
cid
en
t
s
b
u
t
al
s
o
en
h
a
n
ce
t
h
e
ti
m
e
ta
k
en
to
r
e
s
p
o
n
d
to
th
e
ac
cid
en
t
e
m
er
g
e
n
c
y
,
w
h
ic
h
w
i
ll
s
a
v
e
liv
es.
T
h
ese
h
el
m
ets
m
a
y
b
e
f
itted
w
it
h
v
ar
io
u
s
i
n
-
b
u
ilt
s
e
n
s
o
r
s
s
u
c
h
as
m
icr
o
-
elec
tr
o
-
m
ec
h
a
n
ical
s
y
s
te
m
s
(
ME
MS
)
ac
ce
ler
ato
r
s
in
th
e
ca
s
e
o
f
s
u
d
d
en
j
o
lts
o
r
f
alls
an
d
g
as
s
en
s
o
r
s
to
d
etec
t
d
an
g
er
o
u
s
g
ase
s
lik
e
m
et
h
an
e
an
d
ca
r
b
o
n
m
o
n
o
x
id
e.
T
h
e
cu
r
r
en
t liter
atu
r
e
r
ev
ie
w
is
s
h
o
w
n
in
T
ab
le
1
.
T
ab
le
1
.
C
u
r
r
en
t
liter
atu
r
e
r
ev
i
e
w
A
u
t
h
o
r
M
e
t
h
o
d
O
b
j
e
c
t
i
v
e
L
a
y
e
r
W
e
a
k
n
e
ss
Y
e
a
r
M
a
h
j
o
o
b
e
t
a
l
.
[
3
]
G
r
e
e
n
mu
l
t
i
-
p
e
r
i
o
d
i
n
v
e
n
t
o
r
y
r
o
u
t
i
n
g
w
i
t
h
p
i
c
k
u
p
a
n
d
s
p
l
i
t
d
e
l
i
v
e
r
y
O
p
t
i
mi
z
e
s i
n
v
e
n
t
o
r
y
r
o
u
t
i
n
g
a
n
d
r
e
d
u
c
e
s e
n
v
i
r
o
n
me
n
t
a
l
i
mp
a
c
t
i
n
t
h
e
f
l
o
u
r
i
n
d
u
st
r
y
S
u
p
p
l
y
c
h
a
i
n
a
n
d
g
r
e
e
n
c
o
mp
u
t
i
n
g
l
a
y
e
r
F
o
c
u
se
s o
n
l
o
g
i
st
i
c
s
o
p
t
i
m
i
z
a
t
i
o
n
a
n
d
d
o
e
s n
o
t
a
d
d
r
e
ss w
o
r
k
e
r
safe
t
y
o
r
h
e
a
l
t
h
mo
n
i
t
o
r
i
n
g
2
0
2
1
W
a
n
e
t
a
l
.
[
4
]
W
e
a
r
a
b
l
e
I
o
T
-
e
n
a
b
l
e
d
h
e
a
l
t
h
mo
n
i
t
o
r
i
n
g
M
o
n
i
t
o
r
s re
a
l
-
t
i
me
h
e
a
l
t
h
p
a
r
a
me
t
e
r
s
u
si
n
g
w
e
a
r
a
b
l
e
I
o
T
d
e
v
i
c
e
s
W
e
a
r
a
b
l
e
I
o
T
L
a
y
e
r
La
c
k
s i
n
t
e
g
r
a
t
i
o
n
w
i
t
h
mi
n
i
n
g
e
n
v
i
r
o
n
me
n
t
a
l
h
a
z
a
r
d
d
e
t
e
c
t
i
o
n
2
0
1
8
P
r
o
p
o
se
d
w
o
r
k
I
o
T
-
i
n
t
e
g
r
a
t
e
d
p
r
e
d
i
c
t
i
v
e
safe
t
y
h
e
l
me
t
R
e
a
l
-
t
i
me
p
r
e
d
i
c
t
i
o
n
o
f
d
a
n
g
e
r
h
e
a
l
t
h
a
l
e
r
t
s
I
o
T
+
se
n
so
r
s +
AI
N
e
e
d
s u
n
d
e
r
g
r
o
u
n
d
c
o
mm
u
n
i
c
a
t
i
o
n
i
n
f
r
a
st
r
u
c
t
u
r
e
2
0
2
5
2.
M
E
T
H
O
D
B
ased
o
n
th
e
s
u
r
v
e
y
s
d
r
a
w
n
u
s
i
n
g
d
if
f
er
en
t
s
o
u
r
ce
s
,
w
e
h
av
e
d
is
co
v
er
ed
th
e
ch
alle
n
g
e
s
th
at
ar
e
en
co
u
n
ter
ed
in
t
h
e
cu
r
r
en
t
s
y
s
te
m
at
h
an
d
,
an
d
w
e
ar
e
th
er
e
f
o
r
e
in
a
p
o
s
itio
n
to
s
tate
t
h
e
p
r
o
b
lem
s
tate
m
e
n
t:
Min
i
n
g
o
p
er
ato
r
s
ex
p
er
ien
ce
a
lo
t o
f
s
af
et
y
ch
a
llen
g
e
s
.
T
h
is
is
b
ec
au
s
e
th
e
e
n
v
ir
o
n
m
e
n
t i
n
w
h
ic
h
th
e
y
w
o
r
k
is
d
an
g
er
o
u
s
.
W
o
r
k
er
s
ar
e
r
o
u
tin
el
y
e
x
p
o
s
ed
to
lif
e
-
t
h
r
ea
te
n
i
n
g
s
itu
a
tio
n
s
s
u
c
h
as
la
n
d
s
li
d
es,
g
as
leak
s
,
an
d
d
an
g
er
o
u
s
te
m
p
er
atu
r
es,
s
tr
u
ct
u
r
al
co
llap
s
e,
an
d
tr
ad
itio
n
al
s
ec
u
r
it
y
s
y
s
te
m
s
.
I
t
ten
d
s
to
b
e
m
o
r
e
r
ea
ctiv
e
t
h
an
p
r
o
ac
tiv
e
[
5
]
.
T
h
is
m
ea
n
s
th
r
e
ats ar
e
o
n
ly
ap
p
r
o
ac
h
ed
w
h
e
n
th
e
y
te
n
d
to
b
ec
o
m
e
cr
itical.
T
h
is
s
lo
w
s
d
o
w
n
t
h
e
r
esp
o
n
s
e
ti
m
es
o
f
e
m
p
lo
y
ee
s
an
d
cr
ea
tes
m
o
r
e
r
is
k
.
T
h
e
o
th
er
m
aj
o
r
co
n
ce
r
n
in
m
i
n
i
n
g
is
th
e
h
ea
lt
h
o
f
t
h
e
w
o
r
k
er
s
t
h
e
m
s
el
v
es.
Mi
n
i
n
g
i
s
v
er
y
lab
o
r
-
in
te
n
s
iv
e.
An
d
ex
p
o
s
u
r
e
to
h
ar
s
h
co
n
d
itio
n
s
f
o
r
a
lo
n
g
p
er
io
d
o
f
ti
m
e
m
a
y
lead
to
ch
r
o
n
ic
h
ea
lt
h
p
r
o
b
lem
s
o
r
ev
en
s
u
d
d
en
in
f
li
ctio
n
o
f
p
h
y
s
ical
h
ar
m
.
Ma
n
y
m
in
in
g
o
p
er
atio
n
s
cu
r
r
en
tl
y
d
o
n
o
t
h
av
e
r
ea
l
-
t
i
m
e
h
ea
lt
h
m
o
n
ito
r
in
g
o
f
t
h
e
w
o
r
k
er
s
.
T
h
is
m
ea
n
s
i
s
s
u
es
lik
e
f
ati
g
u
e,
h
ea
t
ex
h
a
u
s
tio
n
,
o
r
ex
p
o
s
u
r
e
to
to
x
ic
g
ases
ca
n
n
o
t
b
e
n
o
ticed
u
n
til
th
e
s
itu
a
tio
n
is
cr
itical.
T
h
e
lack
o
f
ef
f
ec
ti
v
e
d
ata
m
an
a
g
e
m
e
n
t
s
y
s
te
m
[
6
]
also
ad
d
s
f
u
r
t
h
er
to
th
e
p
r
o
b
le
m
o
f
en
v
ir
o
n
m
e
n
tal
a
n
d
h
ea
lt
h
d
at
a
b
ein
g
co
llected
o
n
d
is
p
er
s
ed
an
d
u
n
s
ec
u
r
ed
s
y
s
t
e
m
s
co
n
s
eq
u
e
n
tl
y
lead
i
n
g
to
th
e
p
o
ten
tia
l
o
f
te
m
p
er
in
g
w
it
h
o
r
lo
s
s
o
f
t
h
e
in
f
o
r
m
atio
n
,
o
r
u
n
av
a
ilab
ilit
y
d
u
e
to
th
e
in
co
m
p
leten
e
s
s
o
f
t
h
e
d
ata
as
w
ell
as t
h
e
i
m
p
o
s
s
i
b
ilit
y
o
f
t
h
e
s
ec
u
r
it
y
m
ec
h
a
n
i
s
m
s
to
p
er
f
o
r
m
p
r
o
p
e
r
l
y
if
t
h
er
e
is
n
o
ce
n
tr
al
an
d
s
ec
u
r
e
w
a
y
o
f
r
ep
o
r
tin
g
o
f
h
e
alth
r
ep
o
r
ts
an
d
/o
r
ac
cu
r
ate
m
o
n
ito
r
in
g
o
f
e
n
v
ir
o
n
m
e
n
tal
d
ata.
A
s
a
r
eso
l
u
tio
n
o
f
th
e
is
s
u
e,
th
e
s
e
d
if
f
icu
lties
m
u
s
t b
e
f
ac
ed
.
2
.
1
.
Sy
s
t
em
a
rc
hite
ct
ure
2
.
1
.
1
.
Sens
o
r
T
h
e
in
tellig
e
n
ce
h
e
l
m
e
t
is
f
itt
ed
w
it
h
a
s
er
ies
o
f
s
e
n
s
o
r
s
w
h
ich
k
ee
p
tr
ac
k
o
f
t
h
e
h
ea
lth
o
f
th
e
m
i
n
er
an
d
th
e
e
n
v
ir
o
n
m
e
n
t
at
t
h
e
m
i
n
in
g
lo
ca
tio
n
[
7
]
.
A
l
l
t
h
e
s
e
n
s
o
r
s
ar
e
s
elec
ted
d
u
e
to
t
h
eir
a
cc
u
r
ac
y
,
r
eliab
ilit
y
,
an
d
ea
s
e
o
f
in
teg
r
atio
n
.
T
h
e
s
en
s
o
r
s
ar
e
p
r
e
-
ca
lib
r
ated
as
g
iv
e
n
i
n
T
ab
le
2
to
allo
w
t
h
e
m
to
g
iv
e
th
e
r
ig
h
t
r
ea
d
in
g
s
.
C
alib
r
atio
n
ch
ec
k
s
w
er
e
ad
v
is
ed
f
r
eq
u
e
n
tl
y
to
m
a
k
e
s
u
r
e
th
at
th
er
e
is
r
eliab
ilit
y
in
th
e
d
ata.
Sen
s
o
r
s
elec
tio
n
cr
iter
ia:
th
e
s
en
s
o
r
s
w
er
e
s
elec
ted
o
n
p
r
ec
is
io
n
,
s
tr
en
g
t
h
to
o
p
er
ate
in
h
ar
s
h
m
in
i
n
g
co
n
d
itio
n
s
,
lo
w
p
o
w
er
u
s
ag
e,
a
f
f
o
r
d
ab
ilit
y
an
d
th
ei
r
i
n
teg
r
atio
n
w
it
h
w
ea
r
a
b
le
I
o
T
.
T
h
e
s
en
s
o
r
s
tar
g
et
k
e
y
s
a
f
et
y
p
ar
a
m
eter
s
in
d
ep
en
d
en
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2
.
1
.
2
.
M
icro
c
o
ntr
o
ller
un
it
(
M
CU)
a
nd
t
he
I
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T
co
mm
un
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io
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MCU is t
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co
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r
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it o
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m
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t h
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et.
I
t is r
e
s
p
o
n
s
ib
le:
a.
Data
ac
q
u
is
itio
n
:
it
r
ec
eiv
e
s
r
ea
l
-
ti
m
e
d
ata
o
f
all
th
e
s
e
n
s
o
r
s
[
8
]
,
ME
MS
ac
ce
ler
ato
r
,
g
as
s
en
s
o
r
s
,
h
ea
r
t
r
ate
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r
,
te
m
p
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e
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s
o
r
s
,
p
u
ls
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o
x
i
m
eter
,
an
d
r
ad
ar
.
b.
P
r
ep
r
o
ce
s
s
in
g
:
it
r
e
m
o
v
e
s
s
e
n
s
o
r
n
o
is
e
w
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th
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elp
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tal
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t r
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ce
n
tr
atio
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tr
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n
d
s
.
c.
Err
o
r
h
an
d
lin
g
:
in
f
o
r
m
a
tio
n
te
ch
n
o
lo
g
y
(
IT
)
ch
ec
k
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s
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s
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co
n
n
ec
ti
v
it
y
a
n
d
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etr
ies
o
r
is
s
u
e
lo
ca
l
aler
ts
in
ca
s
e
s
en
s
o
r
d
ata
is
lo
s
t
o
r
ab
n
o
r
m
al.
R
ed
u
n
d
an
t
s
en
s
o
r
s
ar
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u
s
ed
to
ass
u
r
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eliab
ilit
y
o
f
t
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s
y
s
te
m
in
ca
s
e
it f
ail
s
.
d.
C
o
m
m
u
n
ica
tio
n
m
a
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a
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m
en
t
:
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p
r
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v
id
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s
u
p
p
o
r
t
t
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d
if
f
er
en
t
co
m
m
u
n
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p
r
o
to
co
ls
s
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ch
as
m
o
b
ile
n
et
w
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k
s
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d
in
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cr
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aler
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v
ia
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m
f
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ile
(
GSM
)
/
g
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p
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k
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ad
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s
er
v
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(
GP
R
S
)
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m
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,
d
ata
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u
f
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it
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ed
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s
to
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ata
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u
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ail
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d
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it
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ce
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t
w
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k
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o
n
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ec
ti
v
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y
i
s
r
ein
s
tated
to
av
o
id
d
ata
lo
s
s
.
2
.
1
.
3
.
B
lo
ck
cha
in
T
h
e
b
lo
ck
ch
ain
m
o
d
u
le
p
r
o
v
i
d
es in
te
g
r
it
y
o
f
d
ata
[
9
]
,
s
ec
u
r
e
s
to
r
ag
e
an
d
ac
ce
s
s
co
n
tr
o
l:
a.
Secu
r
e
led
g
er
:
ev
er
y
s
en
s
o
r
r
ea
d
in
g
is
ass
ig
n
ed
a
tim
e
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ash
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th
en
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is
ch
ain
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n
,
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h
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s
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ch
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k
ag
ai
n
s
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n
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co
in
s
.
b.
A
cc
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s
s
co
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tr
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l:
d
ata
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l
y
b
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ac
ce
s
s
ed
b
y
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th
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ized
in
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i.e
.
,
s
af
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in
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m
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R
ed
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n
d
an
c
y
:
th
e
d
is
tr
ib
u
ted
led
g
er
is
r
ep
licated
in
a
v
ar
iety
o
f
n
o
d
es
[
1
0
]
,
m
ea
n
i
n
g
it
w
o
u
ld
s
till
b
e
av
ailab
le
in
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2
.
1
.
4
.
F
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t
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x
t
ra
ct
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o
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I
t
t
a
k
e
s
s
ig
n
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t
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t
g
a
s
c
o
n
c
en
t
r
a
ti
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n
is
ch
an
g
in
g
[
1
1
]
,
o
r
t
h
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h
e
a
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t
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a
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ch
an
g
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,
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l
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ag
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am
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s
s
h
o
w
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y
F
ig
u
r
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1
.
a.
Mo
d
el
ch
o
ice:
th
e
r
ea
s
o
n
b
eh
i
n
d
u
s
i
n
g
t
h
e
r
an
d
o
m
f
o
r
est
(
R
F)
class
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f
ier
is
t
h
at
it
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s
r
eliab
l
e
in
h
a
n
d
li
n
g
n
o
is
y
d
ata
a
n
d
m
i
x
ed
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y
p
e
f
ea
t
u
r
es (
co
n
ti
n
u
o
u
s
a
n
d
ca
teg
o
r
ic
al)
.
b.
T
r
ain
in
g
an
d
v
alid
atio
n
:
h
i
s
to
r
ical
m
in
i
n
g
d
ata
ar
e
s
ep
ar
ate
d
in
to
7
0
p
er
ce
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t
o
f
tr
ain
in
g
,
1
5
p
e
r
ce
n
t
o
f
v
ali
d
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n
,
a
n
d
1
5
p
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t o
f
test
in
g
i
n
o
r
d
er
to
o
p
tim
is
e
m
o
d
el
p
ar
am
eter
s
.
c.
H
y
p
er
-
p
ar
a
m
eter
tu
n
i
n
g
:
it
e
n
tails
t
h
e
t
u
n
i
n
g
o
f
tr
ee
d
ep
t
h
,
esti
m
ato
r
s
’
n
u
m
b
er
,
a
n
d
m
i
n
i
m
u
m
s
a
m
p
les
p
er
leaf
.
d.
R
ea
l
-
ti
m
e
p
r
ed
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n
an
d
in
teg
r
atio
n
w
it
h
io
t:
r
ea
l
ti
m
e
in
co
m
i
n
g
d
ata
ar
e
ev
alu
ated
to
d
et
er
m
in
e
p
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s
s
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le
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az
ar
d
lik
e
h
ea
lt
h
r
is
k
th
r
es
h
o
ld
th
at
aler
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w
h
e
n
th
e
p
r
o
b
ab
ilit
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6
is
3
0
o
r
ab
o
v
e,
lan
d
s
lid
e
r
is
k
t
h
r
es
h
o
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th
at
i
m
m
ed
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n
o
ti
f
y
w
h
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t
h
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p
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b
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ta
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s
at
8
0
an
d
ab
o
v
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aler
t m
ec
h
a
n
i
s
m
.
O
n
ce
th
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ar
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s
u
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p
as
s
ed
,
t
h
e
s
y
s
te
m
w
ill
ac
ti
v
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a
u
d
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-
v
is
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al
w
ar
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in
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s
to
th
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i
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er
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o
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y
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n
tr
al
co
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tr
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an
d
r
ec
o
r
d
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e
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cc
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t
h
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b
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ch
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.
T
h
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A
I
p
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ed
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n
s
ar
e
tr
an
s
m
itted
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r
o
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g
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th
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I
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T
to
th
e
ce
n
tr
al
m
o
n
ito
r
i
n
g
s
y
s
te
m
[
1
2
]
to
b
e
v
is
u
alize
d
,
tr
en
d
an
al
y
ze
d
,
an
d
d
ec
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n
s
m
ad
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e.
F
e
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d
b
a
ck
:
m
o
d
e
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a
r
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t
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ain
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d
w
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f
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p
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as
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in
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r
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as
es
o
v
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t
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e
.
B
en
ef
it
s
[
1
3
]
.
B
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en
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.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
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1693
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T
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u
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m
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Fig
u
r
e
2
.
W
o
r
k
f
lo
w
o
f
p
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ed
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e
s
m
ar
t h
el
m
et
a.
S
y
s
te
m
s
tar
t
u
p
:
t
h
e
h
el
m
et
s
y
s
te
m
is
s
tar
ted
a
n
d
all
t
h
e
p
ar
ts
o
f
t
h
e
s
y
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te
m
,
s
u
c
h
as
s
e
n
s
o
r
s
,
Mic
r
o
co
n
tr
o
ller
,
c
o
m
m
u
n
icati
o
n
m
o
d
u
les
[
1
4
]
,
an
d
A
I
an
aly
tics
ar
e
in
itialized
.
C
alib
r
ati
o
n
ch
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k
s
ar
e
d
o
n
e
to
ch
ec
k
w
h
e
th
er
t
h
e
r
es
u
lts
ar
e
co
r
r
ec
t.
b.
Data
tr
an
s
m
is
s
io
n
o
f
d
ata
t
h
r
o
u
g
h
I
o
T
la
y
er
:
t
h
e
s
e
n
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d
ata
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a
n
s
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itted
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I
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al
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ith
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s
w
ill
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e
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to
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k
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it
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lar
g
e
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ata
v
o
lu
m
e
p
er
f
o
r
m
ed
b
y
n
u
m
er
o
u
s
h
el
m
ets
s
i
m
u
l
tan
eo
u
s
l
y
.
c.
A
I
an
d
p
r
e
d
i
c
t
iv
e
a
n
a
ly
s
i
s
:
t
h
e
A
I
en
g
in
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o
f
th
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s
e
r
v
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p
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t
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ity
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th
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ly
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d
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h
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ew
d
at
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.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
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C
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tr
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P
r
ed
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s
a
fety
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m
in
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s
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tern
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(
V
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ya
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ksh
mi
Mu
r
u
g
esa
n
)
1181
d.
Data
r
ec
o
r
d
in
g
an
d
b
lo
ck
ch
ai
n
ar
ch
iv
i
n
g
:
all
s
en
s
o
r
r
ea
d
in
g
s
,
r
is
k
ev
al
u
atio
n
s
,
an
d
ac
tio
n
s
tak
e
n
ar
e
s
ec
u
r
el
y
s
to
r
ed
in
a
b
lo
ck
ch
ai
n
led
g
er
.
T
h
is
p
r
o
v
id
es ta
m
p
er
-
p
r
o
o
f
s
to
r
ag
e,
tr
ac
ea
b
ilit
y
,
an
d
au
d
ib
ili
t
y
o
f
s
af
et
y
ev
e
n
t
s
,
w
h
ic
h
is
e
s
s
e
n
ti
al
f
o
r
r
eg
u
lato
r
y
co
m
p
lian
ce
a
n
d
p
o
s
t
-
i
n
cid
en
t a
n
al
y
s
i
s
.
e.
Feed
b
ac
k
lo
o
p
:
th
e
s
y
s
te
m
i
s
i
m
p
r
o
v
ed
b
y
lear
n
in
g
t
h
r
o
u
g
h
th
e
e
v
en
ts
r
ec
o
r
d
ed
an
d
en
h
a
n
cin
g
A
I
p
r
ed
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n
m
o
d
els an
d
aler
ts
t
h
r
es
h
o
ld
.
f.
Gen
er
atio
n
o
f
aler
ts
a
n
d
r
esp
o
n
d
:
tr
ig
g
er
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to
m
ated
s
a
f
et
y
m
ea
s
u
r
es
(
e.
g
.
,
s
to
p
m
ac
h
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d
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ac
u
ate
h
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m
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n
)
in
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s
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esh
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ld
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t
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s
to
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d
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d
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a
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le
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f
p
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s
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ata
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cr
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te
m
o
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ac
cu
r
ate
p
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n
s
o
v
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ti
m
e.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
co
n
s
is
t
s
o
f
th
r
ee
m
ai
n
m
o
d
u
les:
e
n
v
ir
o
n
m
e
n
tal
p
r
ed
ictio
n
,
h
ea
l
th
p
r
ed
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n
,
an
d
lan
d
s
lid
e
p
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ed
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n
[
1
5
]
.
E
ac
h
m
o
d
u
le
in
d
ep
en
d
e
n
tl
y
a
s
s
e
s
s
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et
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m
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o
r
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s
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co
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d
itio
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s
as
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esc
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ed
in
T
ab
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3
.
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h
e
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lt
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s
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tio
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s
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3
.
Ov
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≥
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f
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c
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t
9
2
m
A
h
/
h
r
3
.
1
.
E
nv
iro
n
m
ent
a
l pre
dict
i
o
n
m
o
d
ule
T
h
e
en
v
ir
o
n
m
e
n
tal
p
r
ed
ictio
n
m
o
d
u
le
i
s
co
n
s
tan
t
l
y
tr
ac
k
i
n
g
t
h
e
cr
itical
e
n
v
ir
o
n
m
e
n
tal
f
ac
to
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s
s
u
c
h
a
s
te
m
p
er
atu
r
e
a
n
d
air
q
u
alit
y
,
wh
ich
ar
e
m
aj
o
r
r
is
k
f
ac
to
r
s
in
u
n
d
er
g
r
o
u
n
d
m
i
n
i
n
g
co
n
d
itio
n
s
.
T
h
e
s
y
s
te
m
,
b
ased
o
n
a
R
F
class
i
f
ica
tio
n
al
g
o
r
ith
m
[1
6
]
,
d
eter
m
i
n
es
i
f
th
e
m
ea
s
u
r
ed
p
ar
am
e
ter
s
ar
e
b
ey
o
n
d
th
e
d
ef
in
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s
a
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m
it
s
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n
d
class
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f
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s
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tio
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to
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er
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a
f
e
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r
d
an
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e
r
o
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s
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teg
o
r
ies.
Fig
u
r
e
3
s
h
o
w
s
th
e
m
ea
n
-
b
ased
tr
en
d
an
al
y
s
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s
f
o
r
s
m
o
o
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in
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ata
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ess
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en
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On
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e
d
an
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o
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s
le
v
el
s
,
th
e
s
y
s
te
m
p
r
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d
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ce
s
r
ea
l
-
ti
m
e
v
o
ice
n
o
tif
icat
io
n
s
u
s
i
n
g
a
tex
t
-
to
-
s
p
ee
ch
en
g
i
n
e,
as
s
h
o
w
n
in
Fi
g
u
r
e
4
.
T
h
e
n
o
tif
icatio
n
s
allo
w
m
i
n
er
s
an
d
s
u
p
er
v
is
o
r
s
to
tak
e
co
r
r
ec
tiv
e
ac
tio
n
i
m
m
ed
iatel
y
[1
7
]
.
E
n
v
ir
o
n
m
e
n
tal
m
o
n
ito
r
in
g
i
s
an
a
u
to
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ated
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ce
s
s
th
a
t
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f
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l
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v
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it
y
o
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s
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et
y
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n
o
h
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a
n
in
v
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en
t.
T
h
e
test
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g
w
as
d
o
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6930
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1185
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