| |||
| штуцер для отбора проб | |||
|
sampling well : 10 phrases in 6 subjects |
| Cement | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Road works | 3 |
| |||
| штуцер для отбора проб | |||
|
sampling well : 10 phrases in 6 subjects |
| Cement | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Road works | 3 |