ventilator : 61 phrases in 13 subjects |
Agriculture | 16 |
Chemistry | 4 |
Commerce | 1 |
Earth sciences | 2 |
Electronics | 2 |
Health care | 1 |
Industry | 5 |
Labor law | 1 |
Mechanic engineering | 17 |
Municipal planning | 5 |
Natural sciences | 1 |
Technology | 1 |
Transport | 5 |