 |
| |||
| discharge treatment (MichaelBurov) | |||
| sewage treatment | |||
| Effluent treatment | |||
| очистка стоков: 28 phrases in 10 subjects |
| Construction | 1 |
| Ecology | 2 |
| Energy industry | 3 |
| Environment | 3 |
| Hydrology | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Sakhalin | 14 |
| Sakhalin A | 1 |
| Water supply | 1 |