 |
| |||
| cone-and-quartering (ustkamanetc) | |||
| метод конуса и кольца: 4 phrases in 4 subjects |
| Geology | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
|
| |||
| cone-and-quartering (ustkamanetc) | |||
| метод конуса и кольца: 4 phrases in 4 subjects |
| Geology | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |