 |
|
Ventilator : 89 phrases in 17 subjects |
| Agriculture | 3 |
| American usage, not spelling | 4 |
| British usage, not spelling | 4 |
| Coal | 2 |
| Commerce | 2 |
| Construction | 6 |
| Electronics | 3 |
| General | 4 |
| Industry | 4 |
| Materials science | 1 |
| Mechanic engineering | 7 |
| Medical | 5 |
| Metallurgy | 7 |
| Municipal planning | 5 |
| Patents | 2 |
| Refrigeration | 9 |
| Technology | 21 |