 |
| trough: 119 phrases in 20 subjects |
| Agriculture | 28 |
| Chemistry | 3 |
| Coal | 2 |
| Construction | 11 |
| Earth sciences | 7 |
| Economy | 1 |
| Electronics | 3 |
| Energy industry | 3 |
| Environment | 3 |
| General | 1 |
| Health care | 1 |
| Industry | 12 |
| Life sciences | 16 |
| Materials science | 3 |
| Mechanic engineering | 9 |
| Medical | 2 |
| Metallurgy | 4 |
| Natural sciences | 3 |
| Technology | 1 |
| Transport | 6 |