 |
| |||
| household sewage | |||
| сточные хозяйственные воды: 25 phrases in 8 subjects |
| Construction | 5 |
| Ecology | 11 |
| Hydrology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 3 |
| Public utilities | 1 |
| Sociology | 2 |
| Technology | 1 |
|
| |||
| household sewage | |||
| сточные хозяйственные воды: 25 phrases in 8 subjects |
| Construction | 5 |
| Ecology | 11 |
| Hydrology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 3 |
| Public utilities | 1 |
| Sociology | 2 |
| Technology | 1 |