 |
| |||
| stripping (MichaelBurov); stripping works (MichaelBurov) | |||
| горно-вскрышные работы: 4 phrases in 4 subjects |
| Environment | 1 |
| Geology | 1 |
| Makarov | 1 |
| Mining | 1 |
|
| |||
| stripping (MichaelBurov); stripping works (MichaelBurov) | |||
| горно-вскрышные работы: 4 phrases in 4 subjects |
| Environment | 1 |
| Geology | 1 |
| Makarov | 1 |
| Mining | 1 |