preso : 64 phrases in 19 subjects |
Agriculture | 1 |
Chemistry | 11 |
Coal | 1 |
Construction | 2 |
Earth sciences | 3 |
Economy | 1 |
Electronics | 2 |
Environment | 3 |
General | 3 |
Health care | 1 |
Human rights activism | 4 |
Industry | 12 |
Information technology | 1 |
Law | 6 |
Life sciences | 2 |
Materials science | 3 |
Natural sciences | 1 |
Technology | 1 |
Transport | 6 |