![]() |
système de transmissions : 31 phrases in 11 subjects |
Astronautics | 2 |
Automated equipment | 1 |
Aviation | 6 |
Communications | 2 |
Computers | 4 |
Meteorology | 1 |
Military | 5 |
Natural resourses and wildlife conservation | 1 |
Radio | 5 |
Technology | 2 |
Trucks/Lorries | 2 |