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 |