impureza : 75 phrases in 14 subjects |
Agriculture | 1 |
Chemistry | 6 |
Communications | 1 |
Earth sciences | 3 |
Electronics | 38 |
Environment | 6 |
General | 1 |
Health care | 5 |
Industry | 4 |
Information technology | 2 |
Medical | 2 |
Metallurgy | 3 |
Municipal planning | 2 |
Technology | 1 |