 |
| |||
| error-free performance; trouble-free operation | |||
| fail-safe operation | |||
| безаварійна: 13 phrases in 4 subjects |
| Airports and air traffic control | 1 |
| Aviation | 8 |
| Finances | 1 |
| Military | 3 |
|
| |||
| error-free performance; trouble-free operation | |||
| fail-safe operation | |||
| безаварійна: 13 phrases in 4 subjects |
| Airports and air traffic control | 1 |
| Aviation | 8 |
| Finances | 1 |
| Military | 3 |