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| open-cut ore mine; opencast mine (ОГР; OCM, OPM MichaelBurov); open-cast mine (ОГР; OCM, OPM MichaelBurov); opencut mine (ОГР; OCM, OPM MichaelBurov); open-pit mine (ОГР; OCM, OPM MichaelBurov); open-air pit (ОГР; OCM, OPM MichaelBurov) | |||
| open-pit mine | |||
| открытый рудник: 4 phrases in 3 subjects |
| Geology | 1 |
| Mining | 2 |
| Technology | 1 |