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8
5
an
d
C
A
NB
US
[
6
]
.
Sh
o
r
t
r
an
g
e
w
ir
ele
s
s
co
m
m
u
n
icat
io
n
s
y
s
te
m
ex
a
m
p
le
s
i
n
cl
u
d
e
Z
ig
b
ee
,
B
lu
eto
o
th
,
R
F,
W
i
-
Fi
an
d
lo
n
g
r
an
g
e
w
ir
ele
s
s
co
m
m
u
n
i
ca
tio
n
s
y
s
te
m
s
ar
e
co
m
p
r
is
ed
o
f
G
SM
an
d
GP
R
S
[
7
]
.
W
ir
ed
s
y
s
te
m
s
ar
e
co
s
tl
y
a
n
d
co
n
s
u
m
e
a
lo
t
o
f
p
o
w
er
d
u
e
to
ex
te
n
s
i
v
e
w
ir
i
n
g
r
eq
u
ir
e
m
e
n
ts
,
th
e
s
e
s
y
s
te
m
s
ar
e
n
eit
h
er
f
le
x
ib
le
n
o
r
ea
s
il
y
s
ca
lab
le
a
n
d
t
h
e
w
h
o
le
s
y
s
te
m
n
ee
d
s
r
estr
u
ct
u
r
in
g
w
h
e
n
n
e
w
s
y
s
te
m
s
ar
e
ad
d
ed
[
8
-
9
]
.
W
ir
eless
s
y
s
t
e
m
s
ar
e
lo
w
co
s
t,
lo
w
p
o
w
er
,
ea
s
il
y
e
x
p
an
s
ib
le
an
d
r
ec
o
n
f
ig
u
r
ab
le.
E
x
is
ti
n
g
w
ir
ele
s
s
f
ar
m
m
o
n
i
to
r
in
g
s
y
s
te
m
s
u
s
e
a
g
ate
w
a
y
to
co
n
n
ec
t
to
t
h
e
in
ter
n
et
an
d
u
s
e
co
m
p
o
n
e
n
t
s
w
h
ich
m
a
y
b
e
co
s
tl
y
to
p
r
o
d
u
ce
th
e
f
i
n
al
p
r
o
d
u
ct
an
d
f
o
r
a
p
r
o
d
u
ct
to
b
e
w
id
el
y
u
s
ed
,
it
n
ee
d
s
to
b
e
lo
w
co
s
t a
n
d
r
eliab
le
[
1
0
]
-
[
1
2
]
.
T
h
e
d
ev
elo
p
ed
p
r
o
to
ty
p
e
u
s
e
s
lo
w
-
co
s
t,
s
tab
le
s
en
s
o
r
s
alo
n
g
w
i
th
a
lo
w
-
co
s
t
W
i
-
Fi
m
o
d
u
le
an
d
m
icr
o
co
n
tr
o
ller
.
I
n
ad
d
itio
n
t
o
s
en
s
o
r
d
ata
lo
g
g
in
g
an
d
d
i
s
p
la
y
t
h
e
p
r
o
to
ty
p
e
u
s
es
lo
ca
l
w
ea
t
h
er
d
ata
to
o
p
tim
ize
ir
r
ig
atio
n
c
y
cle
s
to
ef
f
icie
n
tl
y
u
s
e
n
at
u
r
al
r
eso
u
r
ce
s
an
d
av
o
id
f
lo
o
d
in
g
o
f
f
ield
s
.
2.
B
ACK
G
RO
UND
T
h
er
e
is
a
lo
t
o
f
r
esear
ch
g
o
in
g
o
n
i
n
m
o
d
er
n
izi
n
g
a
g
r
i
cu
lt
u
r
e
p
r
ac
tices,
n
e
w
i
n
s
tr
u
m
en
ts
an
d
tech
n
iq
u
e
s
ar
e
b
ein
g
d
ev
elo
p
e
d
to
tack
le
cr
itical
p
r
o
b
lem
s
r
elate
d
to
r
eso
u
r
ce
u
t
ilizatio
n
,
cr
o
p
s
ec
u
r
it
y
,
y
ield
i
m
p
r
o
v
e
m
en
t e
tc.
B
asic
lo
g
g
i
n
g
s
y
s
te
m
s
w
er
e
d
ev
elo
p
ed
b
y
r
esear
ch
er
s
in
2
0
1
0
,
w
h
ic
h
m
o
n
ito
r
ed
t
h
e
cr
o
p
'
s
te
m
p
er
atu
r
e
an
d
w
ater
s
tat
u
s
an
d
s
to
r
ed
th
e
ti
m
e
s
ta
m
p
ed
d
ata
in
an
E
E
P
R
OM
f
o
r
r
etr
iev
al
at
a
later
d
ate.
T
h
e
s
y
s
te
m
o
n
l
y
m
o
n
i
to
r
ed
a
f
e
w
en
v
ir
o
n
m
e
n
tal
p
ar
a
m
eter
s
an
d
its
f
ield
d
ep
lo
y
m
e
n
t
lif
e
w
a
s
li
m
ited
b
y
t
h
e
E
E
P
R
OM
s
ize,
o
n
ce
th
e
s
p
ac
e
r
an
o
u
t th
e
u
s
er
h
a
s
to
r
etr
iev
e
th
e
d
ata
s
o
th
at
n
e
w
d
ata
ca
n
b
e
lo
g
g
ed
[
1
3
]
.
A
d
v
an
ce
m
e
n
ts
i
n
w
ir
ele
s
s
co
m
m
u
n
icatio
n
an
d
s
en
s
o
r
tech
n
o
lo
g
ies
allo
w
ed
r
esear
ch
er
s
to
ad
d
b
etter
f
u
n
ctio
n
alit
y
to
s
m
ar
t
f
ar
m
i
n
g
s
y
s
te
m
s
.
A
s
m
ar
t
w
ir
ele
s
s
s
en
s
o
r
n
et
w
o
r
k
w
as
d
e
s
ig
n
ed
b
y
r
esear
ch
er
s
f
o
r
ag
r
icu
l
tu
r
al
e
n
v
ir
o
n
m
e
n
t
i
n
2
0
1
1
w
h
ic
h
u
s
es
W
i
-
Fi
co
m
m
u
n
ica
tio
n
to
tr
an
s
m
it
s
e
n
s
o
r
d
ata
to
a
lo
ca
l
s
er
v
er
f
o
r
lo
g
g
i
n
g
an
d
s
to
r
ag
e,
t
h
e
s
y
s
te
m
u
s
e
s
d
ee
p
s
leep
m
o
d
es a
n
d
lo
w
p
o
w
er
s
en
s
o
r
s
f
o
r
lo
n
g
er
b
atter
y
li
f
e
[
4
]
.
As
i
n
ter
n
et
ac
ce
s
s
b
ec
a
m
e
c
h
ea
p
er
an
d
w
id
e
s
p
r
ea
d
r
esear
ch
er
s
e
x
p
lo
ited
its
p
o
ten
tial
b
en
ef
its
b
y
p
u
s
h
in
g
t
h
e
ac
q
u
ir
ed
s
en
s
o
r
n
et
w
o
r
k
d
ata
o
n
l
in
e
f
o
r
s
to
r
ag
e
,
an
al
y
tic
s
an
d
ea
s
y
ac
ce
s
s
.
I
n
2
0
1
3
,
r
esear
ch
er
s
d
ev
elo
p
ed
a
w
ir
ele
s
s
s
en
s
o
r
n
et
w
o
r
k
b
ased
o
n
Z
i
g
b
e
e
p
r
o
to
co
l
an
d
u
s
ed
an
in
ter
n
et
g
ate
w
a
y
to
tr
a
n
s
f
er
t
h
e
co
llected
d
ata
f
r
o
m
al
l
th
e
n
o
d
es
to
an
o
n
li
n
e
d
atab
ase
[
1
4
]
.
T
h
e
s
y
s
te
m
also
allo
w
ed
f
ar
m
er
s
to
co
n
tr
o
l
th
e
f
ield
'
s
ir
r
ig
a
tio
n
b
y
lo
g
g
i
n
g
in
to
a
d
ed
icate
d
w
eb
ac
co
u
n
t.
A
p
ap
er
p
u
b
lis
h
ed
in
2
0
1
4
s
t
u
d
ies
th
e
ad
v
a
n
ta
g
es
o
f
u
s
i
n
g
w
ea
t
h
er
f
o
r
ec
ast
d
ata
to
m
ak
e
s
tr
ateg
i
c
d
ec
is
io
n
s
i
n
f
ar
m
i
n
g
p
r
ac
tices
an
d
th
e
ec
o
n
o
m
ic
b
en
e
f
it
it
b
r
in
g
s
[
1
5
]
.
A
n
o
t
h
er
p
ap
er
s
tu
d
ied
th
e
in
te
g
r
atio
n
o
f
w
ea
t
h
er
f
o
r
ec
ast
d
ata
i
n
to
f
ar
m
in
g
p
r
ac
tice
s
a
n
d
h
a
s
s
h
o
w
n
a
s
i
g
n
if
ican
t
i
m
p
r
o
v
e
m
e
n
t
in
cr
o
p
q
u
alit
y
an
d
y
ield
[
1
6
]
.
Sev
er
al
m
o
d
els
h
a
v
e
also
b
ee
n
r
esear
ch
ed
a
n
d
d
ev
elo
p
ed
f
o
r
p
est
m
a
n
ag
e
m
e
n
t
w
h
ic
h
ar
e
b
ased
o
n
w
ea
t
h
er
i
n
f
o
r
m
atio
n
.
Si
n
ce
p
e
s
ts
ar
e
s
ea
s
o
n
a
n
d
w
ea
t
h
er
d
ep
en
d
en
t,
t
h
e
u
s
e
o
f
p
r
ed
ictiv
e
m
o
d
el
s
a
n
d
w
ea
t
h
er
in
f
o
r
m
atio
n
al
lo
w
e
f
f
icie
n
t u
s
e
o
f
p
esti
cid
es [
1
7
]
.
P
r
ec
is
io
n
ag
r
icu
l
tu
r
e
ca
m
e
in
to
p
lay
w
h
e
n
p
eo
p
le
s
tar
ted
in
teg
r
at
io
n
s
p
atial
a
n
d
te
m
p
o
r
al
f
ar
m
i
n
g
d
ata.
T
h
e
p
r
o
lif
er
atio
n
o
f
w
eb
b
ased
s
er
v
ices
e
n
ab
led
p
eo
p
l
e
to
u
s
e
p
u
b
lic
d
atab
ases
to
t
h
eir
ad
v
an
ta
g
e.
T
h
e
2
0
1
4
r
ese
ar
ch
p
ap
er
o
u
tlin
es
a
m
et
h
o
d
w
h
ich
co
n
tr
o
ls
f
ar
m
i
n
g
o
p
er
atio
n
s
b
ased
o
n
s
p
atia
l
d
ata
o
b
tain
ed
f
r
o
m
v
ar
io
u
s
w
eb
s
er
v
ices
[
1
8
]
.
T
h
e
r
esear
ch
u
s
ed
w
eb
m
ap
s
e
r
v
ice
(
W
MS)
an
d
w
eb
f
ea
t
u
r
e
s
er
v
ice
(
W
FS
)
to
ac
q
u
ir
e
s
ite
-
s
p
ec
if
ic
d
ata
s
u
c
h
a
s
w
ea
t
h
er
a
n
d
f
o
r
ec
ast
d
at
a,
g
r
o
u
n
d
w
ater
d
ata
etc.
to
p
lan
t
h
e
co
n
tr
o
l
o
f
v
ar
io
u
s
f
ar
m
i
n
g
ac
ti
v
itie
s
s
u
c
h
a
s
ir
r
ig
a
tio
n
an
d
p
es
ticid
e
s
p
r
ay
i
n
g
.
T
h
e
r
esear
ch
h
as
e
x
h
ib
ited
a
s
o
l
u
tio
n
to
u
s
e
g
eo
-
s
p
atia
l d
ata
f
r
o
m
m
u
lt
ip
le
s
o
u
r
ce
s
to
co
n
tr
o
l f
ar
m
ac
tiv
itie
s
an
d
e
n
h
a
n
ce
cr
o
p
g
r
o
w
th
.
3.
M
E
T
H
O
DO
L
O
G
Y
AND
S
Y
ST
E
M
ARCH
I
T
E
C
T
UR
E
T
h
e
p
r
o
to
ty
p
e
ar
ch
itect
u
r
e
is
co
m
p
o
s
ed
o
f
5
m
o
d
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le
s
,
n
a
m
el
y
t
h
e
p
o
w
er
s
u
p
p
l
y
s
y
s
te
m
,
s
e
n
s
o
r
s
y
s
te
m
,
o
u
tp
u
t
an
d
ac
t
u
atio
n
s
y
s
te
m
,
co
n
tr
o
l
s
y
s
te
m
a
n
d
th
e
in
ter
n
et
co
m
m
u
n
icatio
n
s
y
s
te
m
as
s
h
o
w
n
i
n
Fig
u
r
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1
.
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.
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HT
T
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b
it
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ch
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m
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ller
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t
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ased
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s
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m
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is
tu
r
e
r
ea
d
in
g
s
an
d
th
e
f
o
r
ec
ast d
ata.
T
h
e
f
o
llo
w
i
n
g
d
es
ig
n
s
p
ec
i
f
ic
atio
n
s
w
er
e
co
n
s
id
er
ed
w
h
i
le
d
ev
elo
p
in
g
t
h
e
s
y
s
te
m
:
a.
Use o
f
r
eliab
l
e,
lo
w
-
co
s
t
s
en
s
o
r
s
f
o
r
m
o
n
ito
r
in
g
b.
Mo
n
ito
r
in
g
en
v
ir
o
n
m
e
n
tal
p
ar
a
m
eter
s
h
av
i
n
g
s
i
g
n
if
ican
t i
m
p
ac
t o
n
th
e
cr
o
p
g
r
o
w
th
c.
I
n
co
r
p
o
r
atin
g
asp
ec
ts
o
f
I
o
T
an
d
w
ir
ele
s
s
s
e
n
s
o
r
n
et
w
o
r
k
s
b
y
w
ir
eles
s
l
y
tr
a
n
s
m
it
tin
g
d
ata
to
an
o
n
lin
e
s
er
v
er
an
d
u
s
i
n
g
w
ea
t
h
er
d
ata
to
o
p
tim
ize
ir
r
i
g
atio
n
c
y
cles.
d.
I
n
clu
s
io
n
o
f
b
as
ic
co
n
tr
o
l o
f
f
ar
m
eq
u
ip
m
e
n
t s
u
c
h
as a
w
ate
r
p
u
m
p
b
y
u
s
in
g
r
ela
y
s
e.
Usi
n
g
h
ig
h
g
r
ad
e
co
m
p
o
n
e
n
t
s
an
d
k
ee
p
in
g
b
ill o
f
m
ater
ials
a
s
lo
w
a
s
p
o
s
s
ib
le.
4.
SE
NSO
R
I
N
T
E
G
RA
T
I
O
N
AND
SI
G
NA
L
CO
ND
I
T
I
O
NIN
G
4
.
1
.
T
her
m
i
s
t
o
r
A
t
h
er
m
is
to
r
is
a
t
w
o
ter
m
i
n
al,
n
o
n
-
p
o
lar
d
ev
ice
m
ad
e
u
p
o
f
s
e
m
ico
n
d
u
cto
r
m
ater
ia
l
w
h
ic
h
i
s
u
s
u
all
y
u
s
ed
f
o
r
th
e
p
u
r
p
o
s
e
o
f
te
m
p
er
at
u
r
e
m
ea
s
u
r
e
m
e
n
t
.
A
t
h
er
m
is
to
r
h
av
in
g
n
eg
at
i
v
e
te
m
p
er
at
u
r
e
co
-
ef
f
icien
t
(
NT
C
)
w
ith
a
n
o
m
i
n
a
l
r
esis
tan
ce
o
f
1
0
k
Ω
is
b
ein
g
u
s
ed
f
o
r
m
ea
s
u
r
in
g
th
e
s
o
il
te
m
p
er
atu
r
e.
A
n
NT
C
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
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&
C
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m
p
Sci
I
SS
N:
2502
-
4752
I
n
tern
et
o
f Th
in
g
s
B
a
s
ed
W
ir
e
less
P
la
n
t S
en
s
o
r
fo
r
S
ma
r
t F
a
r
min
g
(
M.
Mo
n
ica
S
u
b
a
s
h
i
n
i
)
459
th
er
m
is
to
r
r
ed
u
ce
s
it
s
r
esi
s
tan
ce
as
its
te
m
p
er
atu
r
e
r
is
e
s
.
T
h
er
m
is
to
r
s
ar
e
ec
o
n
o
m
ical
a
n
d
ac
cu
r
ate,
r
eq
u
ir
in
g
a
m
in
i
m
a
l a
m
o
u
n
t o
f
ex
tr
a
cir
cu
itr
y
f
o
r
in
ter
f
ac
i
n
g
[
1
9
-
2
0
]
.
T
h
e
th
er
m
i
s
to
r
f
o
r
m
s
a
v
o
ltag
e
d
iv
id
er
alo
n
g
w
i
th
a
1
0
k
Ω
r
esis
to
r
a
n
d
th
e
v
o
lta
g
e
a
t
t
h
e
j
u
n
ct
io
n
i
s
m
ea
s
u
r
ed
b
y
t
h
e
m
icr
o
co
n
tr
o
ll
er
v
ia
an
A
D
C
,
r
ef
er
Fi
g
u
r
e
2
.
Fig
u
r
e
2
.
T
h
er
m
is
to
r
Mic
r
o
c
o
n
tr
o
ller
I
n
ter
f
ac
i
n
g
T
h
e
v
o
ltag
e
m
ea
s
u
r
ed
d
ep
en
d
s
u
p
o
n
th
e
r
esi
s
ta
n
ce
o
f
t
h
e
th
er
m
is
to
r
w
h
ic
h
is
a
f
u
n
c
tio
n
o
f
it
s
te
m
p
er
atu
r
e.
T
h
e
A
D
C
v
alu
e
is
s
a
m
p
led
f
iv
e
t
i
m
e
s
an
d
a
v
er
ag
ed
an
d
t
h
en
t
h
e
t
h
er
m
i
s
to
r
'
s
r
es
is
ta
n
ce
i
s
ex
tr
ac
ted
u
s
i
n
g
th
e
f
o
r
m
u
la:
=
1
(
1023
_
−
1
)
Up
o
n
o
b
tain
in
g
t
h
e
r
esis
ta
n
ce
v
alu
e,
t
h
e
t
h
er
m
i
s
to
r
te
m
p
er
a
tu
r
e
is
ca
lc
u
lated
u
s
i
n
g
t
h
e
β
p
ar
am
eter
eq
u
atio
n
,
d
ef
i
n
ed
as:
1
=
1
0
+
1
ln
(
0
)
W
h
er
e
T
=
Me
asu
r
ed
T
em
p
er
atu
r
e
(
in
K)
,
T
0
=
No
m
i
n
al
T
em
p
er
atu
r
e
(
2
9
8
K)
,
β
=
β
v
al
u
e
o
f
th
er
m
is
to
r
(
3
9
7
7
)
,
R
=
th
er
m
is
t
o
r
r
esis
tan
ce
,
R
0
=
R
esi
s
ta
n
ce
o
f
th
er
m
is
to
r
(
1
0
k
Ω
)
at
n
o
m
i
n
al
te
m
p
er
atu
r
e.
T
h
e
th
er
m
is
to
r
β
v
alu
e,
T
0
an
d
R
0
is
o
b
tain
ed
f
r
o
m
t
h
e
m
an
u
f
ac
t
u
r
er
’
s
d
atas
h
ee
t.
T
h
e
R
0
v
alu
e
w
as
v
er
if
ied
u
s
i
n
g
P
t1
0
0
R
T
D
an
d
th
e
u
p
d
ated
v
alu
e
w
a
s
u
s
ed
f
o
r
ca
lcu
l
atio
n
o
f
t
h
e
te
m
p
er
at
u
r
e.
4
.
2
.
L
ig
ht
I
nte
ns
it
y
Sens
o
r
A
p
h
o
to
ce
ll,
p
h
o
to
-
r
esi
s
to
r
o
r
lig
h
t
d
ep
en
d
en
t
r
esi
s
to
r
(
L
D
R
)
is
a
n
o
n
-
p
o
lar
,
t
w
o
ter
m
i
n
al
d
ev
ic
e
w
h
o
s
e
r
esis
tan
ce
d
ep
en
d
s
u
p
o
n
th
e
li
g
h
t
i
n
te
n
s
i
t
y
i
n
cid
en
t
o
n
it.
A
ca
lib
r
ated
C
d
S
p
h
o
to
ce
ll
is
u
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4
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g
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r
e
5
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u
r
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5
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1
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2
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
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als
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ater
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ir
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m
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t,
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2
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]
.
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ty
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]
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d
[
2
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]
.
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h
e
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ac
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t
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r
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m
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h
e
s
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.
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