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| sludge handling (processing) | |||
| sludge treatment | |||
| sludge treatment (ила) | |||
| обработка осадка: 28 phrases in 11 subjects |
| Construction | 5 |
| Ecology | 6 |
| Energy industry | 1 |
| General | 1 |
| Geology | 1 |
| Hydraulic engineering | 1 |
| Makarov | 3 |
| Materials science | 1 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 5 |
| Water supply | 2 |