TH
E
S
YM
BO
L
MA
RK
O
F
TH
IS
S
CH
EM
ET
IC
D
IA
GR
AM
I
NC
OR
PO
RA
TE
S
SP
EC
IA
L
FE
AT
UR
ES
I
MP
OR
TA
NT
F
OR
P
RO
TE
CT
IO
N
FR
OM
X
-R
AD
IA
TI
ON
.
FI
RE
A
ND
E
LE
CT
RI
CA
L
SH
OC
K
HA
ZA
RD
S,
W
HE
N
SE
RV
IC
IN
G
IF
I
S
ES
SE
NT
IA
L
TH
AT
O
NL
Y
MA
NU
FA
CT
UR
ES
S
PE
CI
FI
ED
P
AR
TS
B
E
US
ED
F
OR
TH
E
CR
IT
IC
AL
C
OM
PO
NE
NT
S
IN
T
HE
SY
MB
OL
M
AR
K
OF
T
HE
S
CH
EM
ET
IC
.
S
_
F
L
A
S
H
2
0
1
3
/
0
4
/
2
9
1
3
N
C
5
_
S
7
L
R
(
M
1
A
)
S
P
I
_
S
C
K
+
3
.
5
V
_
S
T
+
3
.
5
V
_
S
T
C
1
3
0
0
0
.
1
u
F
R
1
3
0
1
4
.
7
K
O
P
T
/
S
P
I
_
C
S
S
P
I
_
S
D
O
I
C
1
3
0
0
M
X
2
5
L
8
0
0
6
E
M
2
I
-
1
2
G
S
P
I
_
F
L
A
S
H
_
M
A
C
R
O
N
I
X
3
W
P
#
2
S
O
/
S
I
O
1
4
G
N
D
1
C
S
#
5
S
I
/
S
I
O
0
6
S
C
L
K
7
H
O
L
D
#
8
V
C
C
R
1
3
0
2
3
3
R
1
3
0
0
1
0
K
O
P
T
S
P
I
_
S
D
I
/
F
L
A
S
H
_
W
P
I
C
1
3
0
0
-
*
1
W
2
5
Q
8
0
B
V
S
S
I
G
S
P
I
_
F
L
A
S
H
_
W
I
N
B
O
N
D
3
%
W
P
[
I
O
2
]
2
D
O
[
I
O
1
]
4
G
N
D
1
C
S
5
D
I
[
I
O
0
]
6
C
L
K
7
H
O
L
D
[
I
O
3
]
8
V
C
C
+
3
.
5
V
_
S
T
S
e
r
i
a
l
F
l
a
s
h
f
o
r
S
P
I
b
o
o
t
C
o
p
yri
g
h
t
©
2
0
1
4
L
G
El
e
ct
ro
n
ics.
I
n
c.
A
ll
ri
g
h
ts
re
se
rve
d
.
O
n
ly
fo
r
tra
in
in
g
a
n
d
se
rvi
ce
p
u
rp
o
se
s
L
G
E
In
te
rn
a
l
U
se
O
n
ly
