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| обработка воды; водоподготовка | |||
| water processing: 13 phrases in 10 subjects |
| Astronautics | 1 |
| Biotechnology | 1 |
| Construction | 2 |
| Drilling | 1 |
| Energy industry | 2 |
| Nanotechnology | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| Water resources | 1 |
| Water supply | 1 |