puhdistus : 88 phrases in 20 subjects |
Agriculture | 10 |
Chemistry | 3 |
Coal | 2 |
Earth sciences | 1 |
Ecology | 4 |
Economy | 1 |
Electronics | 2 |
Environment | 29 |
General | 1 |
Human rights activism | 2 |
Industry | 4 |
Information technology | 6 |
Materials science | 2 |
Medical | 1 |
Metallurgy | 1 |
Microsoft | 1 |
Patents | 11 |
Statistics | 3 |
Technology | 2 |
Transport | 2 |