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paths : 422 phrases in 44 subjects |
| Aerodynamics | 4 |
| Airports and air traffic control | 3 |
| Antennas and waveguides | 1 |
| Armored vehicles | 1 |
| Astronautics | 18 |
| Aviation | 94 |
| Chemistry | 6 |
| Communications | 2 |
| Computers | 2 |
| Construction | 7 |
| Diplomacy | 1 |
| Ecology | 5 |
| Economics | 3 |
| Education | 1 |
| Electronics | 5 |
| Environment | 2 |
| Figurative | 1 |
| Finances | 1 |
| General | 83 |
| Historical | 2 |
| Information security and data protection | 3 |
| Information technology | 12 |
| Law | 2 |
| Mathematics | 1 |
| Metallurgy | 3 |
| Meteorology | 1 |
| Microelectronics | 35 |
| Microsoft | 13 |
| Military | 46 |
| Nautical | 3 |
| Oil and gas | 11 |
| Poetic | 1 |
| Programming | 1 |
| Proverb | 12 |
| Radio | 3 |
| Rail transport | 2 |
| Robotics | 2 |
| Saying | 1 |
| Seismology | 1 |
| Space | 5 |
| Sports | 2 |
| Technology | 13 |
| Telecommunications | 4 |
| Transport | 3 |