| |||
| corona de diamantes; broca f; corona f | |||
|
diamond bit : 6 phrases in 3 subjects |
| Coal | 1 |
| Drilling | 1 |
| Mechanic engineering | 4 |
| |||
| corona de diamantes; broca f; corona f | |||
|
diamond bit : 6 phrases in 3 subjects |
| Coal | 1 |
| Drilling | 1 |
| Mechanic engineering | 4 |