 |
| water treatment plants: 73 phrases in 25 subjects |
| Caspian | 3 |
| Construction | 7 |
| Ecology | 8 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 7 |
| Energy system | 1 |
| European Bank for Reconstruction and Development | 3 |
| Forestry | 2 |
| Galvanizing | 2 |
| General | 4 |
| Industry | 1 |
| Makarov | 3 |
| Metallurgy | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 5 |
| Occupational health & safety | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Pulp and paper industry | 1 |
| Sakhalin | 2 |
| Technology | 5 |
| Water resources | 4 |
| Water supply | 6 |
| Weapons of mass destruction | 1 |