 |
| отложение ила: 9 phrases in 6 subjects |
| Construction | 1 |
| Ecology | 1 |
| Forestry | 1 |
| Geology | 3 |
| Natural resourses and wildlife conservation | 2 |
| Water supply | 1 |
|
| отложение ила: 9 phrases in 6 subjects |
| Construction | 1 |
| Ecology | 1 |
| Forestry | 1 |
| Geology | 3 |
| Natural resourses and wildlife conservation | 2 |
| Water supply | 1 |