 |
| extractor: 137 phrases in 30 subjects |
| Agriculture | 19 |
| Automobiles | 2 |
| Chemistry | 12 |
| Coal | 3 |
| Commerce | 1 |
| Communications | 1 |
| Data processing | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Energy industry | 1 |
| Environment | 3 |
| Fishery fishing industry | 1 |
| Forestry | 1 |
| General | 1 |
| Hobbies and pastimes | 2 |
| Industry | 11 |
| Information technology | 2 |
| Materials science | 1 |
| Mechanic engineering | 11 |
| Medical | 6 |
| Metallurgy | 7 |
| Microsoft | 1 |
| Natural sciences | 1 |
| Oil / petroleum | 1 |
| Radiolocation | 1 |
| Technology | 21 |
| Transport | 13 |
| United Nations | 1 |
| Water resources | 1 |
| Weapons and gunsmithing | 7 |