 |
| environmental pollution: 40 phrases in 18 subjects |
| Cables and cable production | 1 |
| Drilling | 1 |
| Ecology | 7 |
| Energy industry | 5 |
| Environment | 1 |
| European Bank for Reconstruction and Development | 1 |
| General | 5 |
| Karachaganak | 1 |
| Law | 1 |
| Makarov | 4 |
| Medical | 2 |
| Name of organization | 1 |
| Sakhalin | 1 |
| Statistics | 1 |
| Technology | 1 |
| Trade classification | 1 |
| United Nations | 4 |
| Water supply | 2 |