|
airflow : 20 phrases in 13 subjects |
| Chemistry | 1 |
| Earth sciences | 5 |
| General | 1 |
| Industry | 1 |
| Information technology | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Medical appliances | 3 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Pest control | 1 |
| Textile industry | 1 |
| Transport | 2 |