waste water system : 32 phrases in 17 subjects |
Astronautics | 1 |
Aviation | 2 |
Cables and cable production | 1 |
Caspian | 3 |
Construction | 4 |
Ecology | 1 |
Electrical engineering | 1 |
Electronics | 1 |
Energy industry | 4 |
Karachaganak | 1 |
Makarov | 4 |
Military | 1 |
Nautical | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Technology | 3 |
Tengiz | 1 |