14
45°
2
1
3
4
5
Key:
1. Felling notch cut
2. Felling notch cut
3. Felling cut
4. Wedge
5. Felling direction
Figure 17
A
– Felling direction
B
– Danger area
C
– Escape area
B
B
C
C
Tree
A
15cm
8cm
4
3
2
1
Figure 15
Area B
Area A
1
2
1
2
Figure 16
Figure 19
Figure 20
Figure 18