 |
|
test switch : 45 phrases in 11 subjects |
| Air defense | 1 |
| Astronautics | 2 |
| Aviation | 4 |
| Construction | 1 |
| Fighter aviation | 1 |
| Firefighting and fire-control systems | 1 |
| Household appliances | 1 |
| Jet engines | 1 |
| Space | 3 |
| Technology | 29 |
| Telephony | 1 |
|
|
test switch : 45 phrases in 11 subjects |
| Air defense | 1 |
| Astronautics | 2 |
| Aviation | 4 |
| Construction | 1 |
| Fighter aviation | 1 |
| Firefighting and fire-control systems | 1 |
| Household appliances | 1 |
| Jet engines | 1 |
| Space | 3 |
| Technology | 29 |
| Telephony | 1 |