 |
| lines of force: 50 phrases in 18 subjects |
| Antennas and waveguides | 3 |
| Astronomy | 1 |
| Aviation | 5 |
| Construction | 1 |
| Electrical engineering | 1 |
| Electrochemistry | 4 |
| Electronics | 1 |
| Geophysics | 1 |
| Magnetics | 1 |
| Makarov | 12 |
| Mathematics | 2 |
| Metallurgy | 1 |
| Military | 1 |
| Physics | 3 |
| Police | 1 |
| Rail transport | 1 |
| Technology | 10 |
| Thermal engineering | 1 |