 |
| tower: 205 phrases in 22 subjects |
| Agriculture | 13 |
| Astronautics | 1 |
| Chemistry | 19 |
| Coal | 1 |
| Communications | 5 |
| Construction | 5 |
| Earth sciences | 24 |
| Electronics | 51 |
| Energy industry | 2 |
| Environment | 7 |
| Forestry | 1 |
| General | 12 |
| Health care | 1 |
| Industry | 9 |
| Life sciences | 3 |
| Materials science | 5 |
| Mechanic engineering | 16 |
| Medical | 11 |
| Metallurgy | 1 |
| Natural sciences | 2 |
| Oil / petroleum | 1 |
| Transport | 15 |