 |
| réfraction: 260 phrases in 29 subjects |
| Analytical chemistry | 4 |
| Astronautics | 32 |
| Astronomy | 20 |
| Aviation | 8 |
| Chemistry | 16 |
| Construction | 1 |
| Dentistry | 1 |
| Food industry | 1 |
| General | 3 |
| Geology | 12 |
| Hydraulic engineering | 4 |
| Mathematics | 3 |
| Mechanic engineering | 5 |
| Medical | 10 |
| Medical appliances | 18 |
| Metallurgy | 2 |
| Meteorology | 10 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 12 |
| Oil and gas technology | 3 |
| Ophthalmology | 3 |
| Physics | 18 |
| Radio | 20 |
| Seismology | 3 |
| Technology | 42 |
| Textile industry | 1 |
| Trucks/Lorries | 1 |
| United Nations | 4 |
| Welding | 1 |