 |
|
trough : 288 phrases in 37 subjects |
| Agriculture | 35 |
| Animal husbandry | 6 |
| Astronomy | 1 |
| Aviation | 1 |
| Biology | 3 |
| Book binding | 1 |
| Chemistry | 10 |
| Chess | 1 |
| Coal | 5 |
| Construction | 44 |
| Dyes | 2 |
| Earth sciences | 16 |
| Economics | 1 |
| Electrochemistry | 1 |
| Electronics | 3 |
| Energy industry | 8 |
| Environment | 1 |
| Fish farming pisciculture | 8 |
| General | 20 |
| Health care | 1 |
| Ichthyology | 3 |
| Industry | 13 |
| Life sciences | 21 |
| Materials science | 3 |
| Mechanic engineering | 17 |
| Medical | 2 |
| Medical appliances | 6 |
| Metallurgy | 29 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 3 |
| Nuclear physics | 1 |
| Radiation | 2 |
| Statistics | 1 |
| Technology | 6 |
| Textile industry | 1 |
| Transport | 8 |