 |
| |||
| coal preparation (elmajor) | |||
| coal washing | |||
| углеобогатительный: 44 phrases in 10 subjects |
| Coal | 22 |
| Energy industry | 3 |
| General | 2 |
| Makarov | 2 |
| Metallurgy | 2 |
| Mineral processing | 3 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 7 |
| Thermal engineering | 1 |