 |
| pressure ratio: 109 phrases in 32 subjects |
| Aerohydrodynamics | 11 |
| Aeronautics | 1 |
| Artillery | 1 |
| Astronautics | 10 |
| Automobiles | 4 |
| Aviation | 20 |
| Cement | 2 |
| Chromatography | 1 |
| Combustion gas turbines | 4 |
| Construction | 4 |
| Ecology | 1 |
| Economy | 1 |
| Electronics | 1 |
| Energy industry | 3 |
| Jet engines | 2 |
| Law | 1 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Medical appliances | 2 |
| Microelectronics | 1 |
| Military | 12 |
| Mining | 1 |
| Nanotechnology | 5 |
| Nautical | 2 |
| Oil and gas | 1 |
| Physics | 1 |
| Polymers | 1 |
| Sakhalin | 1 |
| Seismology | 1 |
| Technology | 8 |
| Thermal engineering | 1 |
| Transport | 3 |