 |
| |||
| environmental powers; environmental practices; environmental engineering | |||
| организация охраны окружающей среды: 16 phrases in 11 subjects |
| Business | 1 |
| Caspian | 1 |
| Ecology | 3 |
| Gas processing plants | 4 |
| General | 1 |
| Makarov | 1 |
| Medical | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
| Tengiz | 1 |
| United Nations | 1 |