 |
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| ventilation shaft (Alexander Demidov) | |||
| шахта вентиляции: 7 phrases in 5 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| General | 2 |
| Nautical | 1 |
| Shipbuilding | 2 |
|
| |||
| ventilation shaft (Alexander Demidov) | |||
| шахта вентиляции: 7 phrases in 5 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| General | 2 |
| Nautical | 1 |
| Shipbuilding | 2 |