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| отделение отходов; сепарация отходов | |||
| сортировка отходов (Yuri Ginsburg) | |||
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waste separation : 8 phrases in 6 subjects |
| Ecology | 3 |
| Energy industry | 1 |
| General | 1 |
| Gold mining | 1 |
| Makarov | 1 |
| Sociology | 1 |
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