water treatment facility: 20 phrases in 13 subjects |
Caspian | 2 |
Ecology | 1 |
Energy industry | 3 |
Galvanizing | 2 |
General | 1 |
Makarov | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Oil and gas | 1 |
Oil and gas technology | 2 |
Sakhalin | 1 |
Technology | 3 |
Water supply | 1 |