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waterborne contaminations |
загрязнения в воде : 26 phrases in 11 subjects |
Astronautics | 1 |
Construction | 4 |
Ecology | 4 |
General | 1 |
Makarov | 4 |
Meat processing | 1 |
Medical | 3 |
Natural resourses and wildlife conservation | 2 |
Technology | 1 |
Water resources | 1 |
Water supply | 4 |