 |
| |||
| mechanical spraying | |||
| mechanical treatment | |||
| ore-dressing | |||
| traitement mécanique: 13 phrases in 5 subjects |
| Construction | 1 |
| Environment | 6 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 1 |
|
| |||
| mechanical spraying | |||
| mechanical treatment | |||
| ore-dressing | |||
| traitement mécanique: 13 phrases in 5 subjects |
| Construction | 1 |
| Environment | 6 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 1 |