 |
| épurateur: 110 phrases in 23 subjects |
| Agriculture | 8 |
| Chemistry | 12 |
| Coal | 2 |
| Communications | 1 |
| Construction | 7 |
| Earth sciences | 1 |
| Electronics | 1 |
| Energy industry | 2 |
| Environment | 19 |
| General | 3 |
| Industry | 13 |
| Isolation | 1 |
| Materials science | 1 |
| Mechanic engineering | 9 |
| Medical appliances | 4 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 6 |
| Oil / petroleum | 1 |
| Pulp and paper industry | 2 |
| Technology | 7 |
| Textile industry | 5 |
| Transport | 2 |
| Wood processing | 1 |