 |
| wastes discharge: 39 phrases in 17 subjects |
| Caspian | 2 |
| Construction | 1 |
| Ecology | 12 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 5 |
| Environment | 1 |
| European Bank for Reconstruction and Development | 1 |
| Fish farming pisciculture | 2 |
| General | 2 |
| Makarov | 3 |
| Meat processing | 1 |
| Medical | 1 |
| Molikpaq | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |