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| 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 |