gasdichte: 45 phrases in 15 subjects |
Aerodynamics | 5 |
Automobiles | 2 |
Aviation | 5 |
Chemistry | 5 |
Construction | 3 |
Electrochemistry | 1 |
Electronics | 3 |
Food industry | 1 |
Meat processing | 2 |
Medical | 2 |
Mining | 1 |
Oil / petroleum | 3 |
Security systems | 1 |
Shipbuilding | 7 |
Silicate industry | 4 |