 |
| вытяжная система вентиляции: 16 phrases in 8 subjects |
| Automobiles | 1 |
| Brewery | 1 |
| Hygiene | 2 |
| Military | 1 |
| Nuclear and fusion power | 5 |
| Technology | 4 |
| Thermal engineering | 1 |
| Ventilation | 1 |
|
| вытяжная система вентиляции: 16 phrases in 8 subjects |
| Automobiles | 1 |
| Brewery | 1 |
| Hygiene | 2 |
| Military | 1 |
| Nuclear and fusion power | 5 |
| Technology | 4 |
| Thermal engineering | 1 |
| Ventilation | 1 |