 |
| |||
| forced ventilation (Alexander Demidov) | |||
| mechanical ventilation (wikipedia.org Jenny1801) | |||
| вентиляция с механическим побуждением: 7 phrases in 5 subjects |
| Architecture | 1 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Sakhalin | 1 |
| Technology | 2 |
|
| |||
| forced ventilation (Alexander Demidov) | |||
| mechanical ventilation (wikipedia.org Jenny1801) | |||
| вентиляция с механическим побуждением: 7 phrases in 5 subjects |
| Architecture | 1 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Sakhalin | 1 |
| Technology | 2 |