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использование сточной воды : 55 phrases in 15 subjects |
Agriculture | 2 |
Construction | 7 |
Ecology | 14 |
Economy | 1 |
Energy industry | 3 |
Hydraulic engineering | 1 |
Makarov | 10 |
Natural resourses and wildlife conservation | 3 |
Public utilities | 1 |
Pulp and paper industry | 1 |
Technology | 2 |
United Nations | 1 |
Water resources | 1 |
Water supply | 7 |
Weapons of mass destruction | 1 |