 |
| спиральный: 141 phrases in 18 subjects |
| Anatomy | 1 |
| Antennas and waveguides | 1 |
| Astronomy | 9 |
| Aviation | 2 |
| Cables and cable production | 1 |
| Chemistry | 1 |
| Construction | 16 |
| Electrical engineering | 1 |
| General | 2 |
| Mathematics | 2 |
| Medical | 19 |
| Metallurgy | 4 |
| Military | 7 |
| Packaging | 4 |
| Production | 1 |
| Radio | 6 |
| Technology | 63 |
| Ventilation | 1 |