 |
| pitching angle: 79 phrases in 23 subjects |
| Aerodynamics | 1 |
| Aerohydrodynamics | 5 |
| Aeronautics | 1 |
| Antennas and waveguides | 1 |
| Astronautics | 4 |
| Automated equipment | 4 |
| Aviation | 15 |
| Cartography | 1 |
| Construction | 2 |
| Drilling | 3 |
| General | 1 |
| Geology | 1 |
| Helicopters | 1 |
| Leather | 1 |
| Makarov | 4 |
| Military | 2 |
| Mining | 2 |
| Nautical | 14 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Physics | 2 |
| Shipbuilding | 2 |
| Technology | 9 |