épuration : 239 phrases in 25 subjects |
Agriculture | 8 |
Alcohol distilling | 1 |
Chemistry | 21 |
Coal | 4 |
Construction | 2 |
Earth sciences | 3 |
Ecology | 12 |
Economy | 1 |
Environment | 120 |
Fish farming pisciculture | 1 |
General | 8 |
Human rights activism | 2 |
Industry | 10 |
Information technology | 1 |
Life sciences | 4 |
Medical | 11 |
Natural sciences | 1 |
Oil / petroleum | 3 |
Pulp and paper industry | 3 |
Technology | 5 |
Textile industry | 2 |
Transport | 2 |
United Nations | 4 |
Waste management | 7 |
Water supply | 3 |