 |
| sewage water: 92 phrases in 26 subjects |
| Agriculture | 2 |
| Caspian | 1 |
| Chemistry | 1 |
| Construction | 12 |
| Drilling | 1 |
| Ecology | 7 |
| Energy industry | 2 |
| Gas processing plants | 4 |
| General | 5 |
| Industry | 1 |
| Logistics | 2 |
| Makarov | 15 |
| Medical | 3 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 3 |
| Oil and gas technology | 3 |
| Oilfields | 2 |
| Production | 1 |
| Sakhalin | 4 |
| Sewage and wastewater treatment | 2 |
| Technology | 5 |
| Water resources | 4 |