 |
| slide rule: 51 phrases in 20 subjects |
| Artillery | 3 |
| Automated equipment | 3 |
| Aviation | 1 |
| General | 2 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Mathematics | 4 |
| Mechanic engineering | 6 |
| Metallurgy | 2 |
| Military | 5 |
| Nautical | 2 |
| Physics | 1 |
| Pipelines | 1 |
| Polygraphy | 2 |
| Quality control and standards | 2 |
| Quantum electronics | 1 |
| Refrigeration | 1 |
| Technology | 10 |
| Telecommunications | 1 |