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| impurity of water | |||
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| water contamination rate | |||
| загрязнённость воды: 30 phrases in 13 subjects |
| Construction | 1 |
| Ecology | 5 |
| General | 1 |
| Logistics | 1 |
| Makarov | 3 |
| Meat processing | 2 |
| Meteorology | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 3 |
| Technology | 1 |
| Tengiz | 2 |
| Water supply | 1 |
| Радиоактивное излучение | 8 |