 |
| |||
| natural materials | |||
| |||
| natural ground | |||
| natural material | |||
| естественные материалы: 20 phrases in 12 subjects |
| Cement | 3 |
| Construction | 2 |
| Electronics | 2 |
| Forestry | 1 |
| General | 2 |
| Geology | 1 |
| Makarov | 1 |
| Mining | 1 |
| Nanotechnology | 1 |
| Nuclear chemistry | 3 |
| Oil / petroleum | 1 |
| Technology | 2 |