 |
|
duplex : 175 phrases in 29 subjects |
| Astronautics | 1 |
| Automated equipment | 5 |
| Aviation | 21 |
| Biotechnology | 1 |
| Communications | 1 |
| Computers | 16 |
| Construction | 4 |
| Electronics | 1 |
| Forestry | 7 |
| General | 2 |
| Geology | 6 |
| Geophysics | 1 |
| Information technology | 15 |
| Mechanic engineering | 7 |
| Medical | 10 |
| Medical appliances | 15 |
| Metallurgy | 4 |
| Military | 3 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas technology | 1 |
| Packaging | 10 |
| Paleontology | 1 |
| Polygraphy | 5 |
| Radio | 8 |
| Surveying | 1 |
| Technology | 23 |
| Telecommunications | 1 |
| Textile industry | 3 |
| Travel | 1 |