S
=
F
ix
e
d
S
h
e
lf
P
o
si
ti
o
n
–
S
cr
e
w
i
n
C
a
m
P
in
A
=
A
d
ju
st
a
b
le
S
h
e
lf
P
o
si
ti
o
n
–
i
n
se
rt
A
d
ju
st
a
b
le
S
h
e
lf
S
u
p
p
o
rt
D
=
D
ra
w
e
r
P
o
si
ti
o
n
–
S
cr
e
w
i
n
D
ra
w
e
r
R
u
n
n
e
r
P
o
si
ti
o
n
s
a
re
c
o
u
n
te
d
d
o
w
n
f
ro
m
t
h
e
t
o
p
(
in
cl
u
d
in
g
v
e
ry
t
o
p
s
h
e
lf
p
o
si
ti
o
n
)
F
o
r
e
x
a
m
p
le
:
5
-S
=
5
th
h
o
le
d
o
w
n
f
ro
m
t
h
e
t
o
p
,
in
se
rt
c
a
m
p
in
f
o
r
F
ix
e
d
S
h
e
lf
1-S
A
A
30-S
36-D
42-D
48-D
54-D
55-S
1-S
A
A
30-S
36-D
42-D
48-D
54-D
55-S
1-S
A
A
30-S
36-D
42-D
48-D
54-D
55-S
1-S
A
A
30-S
36-D
42-D
48-D
54-D
55-S
1-S
A
A
30-S
36-D
42-D
A
55-S
1-S
A
A
30-S
36-D
42-D
48-D
55-S
1-S
A
A
30-S
A
A
55-S
1-S
A
A
30-S
A
A
55-S
1-S
A
A
30-S
A
A
55-S
1-S
A
A
30-S
A
A
55-S
Diagram A