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контроль за загрязнением; борьба с загрязнением | |||
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борьба с загрязнением окружающей среды (erelena) |
control of pollution: 32 phrases in 11 subjects |
Diplomacy | 3 |
Ecology | 9 |
Energy industry | 9 |
Fish farming pisciculture | 1 |
Makarov | 2 |
Medical | 1 |
Nautical | 1 |
Trade classification | 1 |
United Nations | 2 |
Water supply | 2 |
Weapons of mass destruction | 1 |