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| эксплуатационные потери (руды MichaelBurov); эксплуатационные руды (MichaelBurov) | |||
| вынос руды (отходящими газами); потери руды | |||
| ore loss: 6 phrases in 2 subjects |
| Gold mining | 5 |
| Makarov | 1 |
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