 |
| ecological effects: 10 phrases in 6 subjects |
| Business | 1 |
| Ecology | 4 |
| Energy industry | 2 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Water supply | 1 |
|
| ecological effects: 10 phrases in 6 subjects |
| Business | 1 |
| Ecology | 4 |
| Energy industry | 2 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Water supply | 1 |