| |||
| direct visible area; directly visible area; seen area | |||
|
zone visible : 4 phrases in 2 subjects |
| Automated equipment | 1 |
| Forestry | 3 |
| |||
| direct visible area; directly visible area; seen area | |||
|
zone visible : 4 phrases in 2 subjects |
| Automated equipment | 1 |
| Forestry | 3 |