использование сточных вод : 58 phrases in 15 subjects |
Agriculture | 2 |
Construction | 6 |
Ecology | 14 |
Economy | 1 |
Energy industry | 3 |
Hydraulic engineering | 1 |
Makarov | 10 |
Natural resourses and wildlife conservation | 7 |
Public utilities | 1 |
Pulp and paper industry | 1 |
Technology | 2 |
United Nations | 1 |
Water resources | 1 |
Water supply | 7 |
Weapons of mass destruction | 1 |