 |
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| очистка воды; умягчение воды | |||
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| водоочистка; водоподготовка; обработка воды | |||
| épuration des eaux: 63 phrases in 12 subjects |
| Chemistry | 8 |
| Construction | 13 |
| Environment | 6 |
| Food industry | 5 |
| General | 4 |
| Hygiene | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 14 |
| Oil and gas technology | 1 |
| Plumbing | 1 |
| Technology | 7 |
| Waste management | 2 |