 |
| dépression: 430 phrases in 43 subjects |
| Agriculture | 8 |
| Antennas and waveguides | 1 |
| Armored vehicles | 17 |
| Astronautics | 10 |
| Astronomy | 4 |
| Aviation | 30 |
| Chemistry | 10 |
| Climatology | 1 |
| Computers | 2 |
| Construction | 9 |
| Dentistry | 1 |
| Fodder | 1 |
| Food industry | 1 |
| Forestry | 5 |
| General | 6 |
| Genetics | 2 |
| Geography | 1 |
| Geology | 64 |
| Historical | 1 |
| Hydraulic engineering | 19 |
| Information technology | 3 |
| Mechanic engineering | 3 |
| Medical | 17 |
| Medical appliances | 3 |
| Meteorology | 36 |
| Military | 1 |
| Mining | 5 |
| Natural resourses and wildlife conservation | 5 |
| Oceanography & oceanology | 1 |
| Oil and gas technology | 1 |
| Paleontology | 3 |
| Physics | 1 |
| Physiology | 1 |
| Production | 1 |
| Psychiatry | 9 |
| Psychology | 1 |
| Psychotherapy | 1 |
| Rail transport | 1 |
| Technology | 67 |
| Tectonics | 1 |
| Textile industry | 2 |
| Trucks/Lorries | 73 |
| Welding | 1 |