 |
| air jet: 64 phrases in 15 subjects |
| Automobiles | 2 |
| Chemistry | 5 |
| Coal | 1 |
| Construction | 1 |
| Environment | 1 |
| General | 9 |
| Industry | 1 |
| Mechanic engineering | 9 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 4 |
| Nuclear physics | 4 |
| Physics | 4 |
| Technology | 7 |
| Textile industry | 6 |
| Transport | 9 |