 |
| épuration: 469 phrases in 39 subjects |
| Agriculture | 8 |
| Alcohol distilling | 1 |
| Biology | 5 |
| Chemistry | 25 |
| Coal | 9 |
| Construction | 14 |
| Demography | 1 |
| Earth sciences | 3 |
| Ecology | 15 |
| Economy | 1 |
| Electronics | 1 |
| Energy industry | 2 |
| Environment | 150 |
| Fish farming pisciculture | 1 |
| General | 19 |
| Health care | 1 |
| Historical | 1 |
| Human rights activism | 1 |
| Industry | 6 |
| Information technology | 4 |
| Labor law | 1 |
| Life sciences | 4 |
| Medical | 13 |
| Medical appliances | 4 |
| Metallurgy | 16 |
| Natural resourses and wildlife conservation | 94 |
| Natural sciences | 1 |
| Nuclear physics | 14 |
| Oil / petroleum | 3 |
| Politics | 1 |
| Pulp and paper industry | 3 |
| Research and development | 1 |
| Social science | 2 |
| Technology | 17 |
| Textile industry | 3 |
| Transport | 14 |
| United Nations | 3 |
| Waste management | 4 |
| Water supply | 3 |