 |
| air cooling: 38 phrases in 14 subjects |
| Computers | 1 |
| Construction | 2 |
| Earth sciences | 4 |
| Electronics | 3 |
| General | 3 |
| Labor organization | 1 |
| Mechanic engineering | 7 |
| Medical appliances | 2 |
| Metallurgy | 4 |
| Municipal planning | 2 |
| Natural resourses and wildlife conservation | 1 |
| Patents | 1 |
| Technology | 1 |
| Transport | 6 |