 |
| |||
| sewage-purification facilities | |||
| sewage treatment plant | |||
| |||
| sewage purification works; sewage works | |||
| очистные канализационные сооружения: 13 phrases in 9 subjects |
| Construction | 1 |
| General | 1 |
| Makarov | 1 |
| Military | 1 |
| Production | 1 |
| Sakhalin | 3 |
| Tengiz | 1 |
| Water supply | 2 |
| Weapons of mass destruction | 2 |