 |
| |||
| Out-breathing (При сливе топлива из бензовозов в резервуар vvzhuchkov) | |||
| Большое дыхание: 8 phrases in 6 subjects |
| Drilling | 1 |
| Firefighting and fire-control systems | 1 |
| Logistics | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
|
| |||
| Out-breathing (При сливе топлива из бензовозов в резервуар vvzhuchkov) | |||
| Большое дыхание: 8 phrases in 6 subjects |
| Drilling | 1 |
| Firefighting and fire-control systems | 1 |
| Logistics | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |