загрязнение водоёмов: 19 phrases in 16 subjects |
Agriculture | 1 |
American usage, not spelling | 1 |
Biology | 1 |
Ecology | 1 |
Economy | 1 |
Energy industry | 1 |
Finances | 2 |
General | 1 |
Makarov | 1 |
Medical | 1 |
Natural resourses and wildlife conservation | 2 |
Oil and gas | 1 |
Oilfields | 1 |
Pulp and paper industry | 1 |
Sakhalin | 1 |
Technology | 2 |