flap: 141 phrases in 14 subjects |
Agriculture | 1 |
Astronautics | 9 |
Communications | 1 |
Construction | 2 |
Electronics | 3 |
Environment | 1 |
Forestry | 1 |
Hobbies and pastimes | 4 |
Industry | 4 |
Information technology | 4 |
Materials science | 7 |
Mechanic engineering | 19 |
Medical | 1 |
Transport | 84 |