puhdistus : 79 phrases in 18 subjects |
Agriculture | 11 |
Brazil | 1 |
Chemistry | 2 |
Coal | 2 |
Earth sciences | 1 |
Ecology | 2 |
Economics | 1 |
Electronics | 1 |
Environment | 31 |
General | 1 |
Human rights activism | 1 |
Industry | 6 |
Information technology | 3 |
Materials science | 1 |
Patents | 11 |
Statistics | 1 |
Technology | 2 |
Transport | 1 |