 |
| |||
| low-visibility conditions; poor visibility conditions | |||
| obscured conditions | |||
| условия плохой видимости: 18 phrases in 8 subjects |
| Airports and air traffic control | 1 |
| Astronautics | 2 |
| Aviation | 6 |
| Electronics | 2 |
| Military | 4 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Technology | 1 |