 |
| |||
| open cell | |||
| открытая клетка: 10 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Logistics | 4 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
|
| |||
| open cell | |||
| открытая клетка: 10 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Logistics | 4 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Oilfields | 1 |