|
flotation machine : 16 phrases in 7 subjects |
| Chemistry | 1 |
| Gold mining | 1 |
| Makarov | 1 |
| Metallurgy | 4 |
| Mineral processing | 1 |
| Oil and gas | 1 |
| Technology | 7 |
|
flotation machine : 16 phrases in 7 subjects |
| Chemistry | 1 |
| Gold mining | 1 |
| Makarov | 1 |
| Metallurgy | 4 |
| Mineral processing | 1 |
| Oil and gas | 1 |
| Technology | 7 |