Ergiebigkeit: 38 phrases in 17 subjects |
Aerodynamics | 6 |
Aviation | 2 |
Chemistry | 1 |
Construction | 1 |
Economy | 2 |
Food industry | 4 |
General | 3 |
Geophysics | 1 |
Hydrology | 4 |
Mining | 3 |
Nuclear and fusion power | 1 |
Polygraphy | 1 |
Road works | 1 |
Silicate industry | 1 |
Technology | 1 |
Water supply | 3 |
Радиоактивное излучение | 3 |