потоки воздуха : 100 phrase in 15 subjects |
Astronautics | 12 |
Aviation | 43 |
Biotechnology | 1 |
Chemistry | 2 |
Food industry | 6 |
General | 2 |
Hydraulic engineering | 1 |
Mechanic engineering | 1 |
Medical | 1 |
Metallurgy | 4 |
Meteorology | 1 |
Mining | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 23 |
Textile industry | 1 |