D A E C
B
F
8101004
G
A
B
C
A
A
1
B
A
A
B
B
2
A
C
3
A
4
5
A
A 1
B
2
A
C
3
C
C
ø 6 mm
6
7
8
A D
4
3
C
E 2 1
9
10
120 cm
G
170 cm
F
11
12
13
14 2
1 ± 50 cm
2
?
L2 L1
1 2
1
z
L1 - L2 = z
15
16
17
18
1
2 1 2
z 1 2
19
1 2
z
23
1 2
20
1 2
24
21
22
25
26
29
30
z
?
z
27
z
28
2
1
31
32
33
34