ventilação : 103 phrases in 18 subjects |
Agriculture | 9 |
Brazil | 1 |
Chemistry | 1 |
Coal | 1 |
Construction | 2 |
Earth sciences | 6 |
Electric motors | 4 |
Electronics | 9 |
Environment | 3 |
Industry | 7 |
Labor law | 1 |
Materials science | 2 |
Mechanic engineering | 17 |
Municipal planning | 7 |
Natural sciences | 2 |
Patents | 3 |
Technology | 1 |
Transport | 27 |