 |
| ventilador: 61 phrases in 15 subjects |
| Agriculture | 9 |
| Commerce | 1 |
| Construction | 1 |
| Electric motors | 2 |
| Electric traction | 3 |
| Electronics | 4 |
| Forestry | 1 |
| General | 2 |
| Health care | 1 |
| Industry | 2 |
| Materials science | 1 |
| Mechanic engineering | 17 |
| Municipal planning | 9 |
| Patents | 2 |
| Transport | 6 |