 |
| valves: 432 phrases in 41 subjects |
| Acridology | 1 |
| Agriculture | 12 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Botany | 1 |
| Chemistry | 9 |
| Coal | 2 |
| Commerce | 1 |
| Construction | 11 |
| Cycle sport | 3 |
| Earth sciences | 3 |
| Electric traction | 1 |
| Electronics | 35 |
| Energy industry | 1 |
| Entomology | 1 |
| Environment | 1 |
| Forestry | 3 |
| General | 7 |
| Health care | 5 |
| Hobbies and pastimes | 1 |
| Industry | 5 |
| Information technology | 2 |
| Materials science | 16 |
| Mechanic engineering | 49 |
| Medical | 36 |
| Medical appliances | 11 |
| Metallurgy | 10 |
| Natural resourses and wildlife conservation | 2 |
| Packaging | 11 |
| Paleontology | 18 |
| Patents | 3 |
| Pest control | 2 |
| Power electronics | 19 |
| Sailing | 1 |
| Social science | 1 |
| Sports | 3 |
| Technology | 64 |
| Textile industry | 1 |
| Transport | 75 |
| Veterinary medicine | 2 |
| Volleyball | 1 |