 |
| системы очистки воды: 76 phrases in 19 subjects |
| Aluminium industry | 2 |
| Architecture | 1 |
| Caspian | 1 |
| Construction | 9 |
| Ecology | 10 |
| Economy | 1 |
| Electronics | 5 |
| Energy industry | 14 |
| Environment | 2 |
| General | 1 |
| Karachaganak | 1 |
| Makarov | 8 |
| Oil and gas | 1 |
| Oil processing plants | 2 |
| Sakhalin | 8 |
| Sakhalin A | 1 |
| Shipbuilding | 1 |
| Technology | 7 |
| Water supply | 1 |