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entrée d'air: 168 phrases in 15 subjects |
Agriculture | 3 |
Armored vehicles | 3 |
Astronautics | 1 |
Aviation | 107 |
Construction | 4 |
Electronics | 1 |
Forestry | 1 |
Geology | 2 |
Hydraulic engineering | 2 |
Metallurgy | 3 |
Mining | 6 |
Oil and gas technology | 1 |
Technology | 17 |
Trucks/Lorries | 16 |
Ventilation | 1 |