| |||
| Entwaesserungssystem n | |||
|
drainage pattern : 8 phrases in 2 subjects |
| Construction | 7 |
| Natural resourses and wildlife conservation | 1 |
| |||
| Entwaesserungssystem n | |||
|
drainage pattern : 8 phrases in 2 subjects |
| Construction | 7 |
| Natural resourses and wildlife conservation | 1 |