 |
| |||
| algae control | |||
| борьба c водорослями: 14 phrases in 8 subjects |
| Construction | 2 |
| Ecology | 3 |
| General | 2 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| algae control | |||
| борьба c водорослями: 14 phrases in 8 subjects |
| Construction | 2 |
| Ecology | 3 |
| General | 2 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |