 |
| последовательное приближение: 34 phrases in 15 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Chemistry | 3 |
| Computers | 1 |
| Construction | 4 |
| Economy | 1 |
| Hydraulic engineering | 2 |
| Information technology | 5 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Meteorology | 1 |
| Radio | 1 |
| Surveying | 3 |
| Technology | 7 |
| Welding | 1 |