 |
| |||
| tirage de cheminée | |||
| tirage naturel (рудничной вентиляции) | |||
| air m; tirage naturel; courant naturel (воздуха); tirage naturel (воздуха); vent naturel; ventilation naturelle | |||
| естественная тяга: 15 phrases in 8 subjects |
| Construction | 3 |
| Food industry | 1 |
| Mechanic engineering | 1 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 2 |
| Oil and gas technology | 1 |
| Technology | 3 |
| Trucks/Lorries | 1 |