сигналам вызова : 230 phrases in 24 subjects |
Aviation | 1 |
Communications | 6 |
Computer networks | 1 |
Computers | 2 |
Electronics | 9 |
Firefighting and fire-control systems | 3 |
General | 4 |
Information technology | 5 |
Makarov | 3 |
Mass media | 101 |
Military | 1 |
Mobile and cellular communications | 1 |
Nautical | 6 |
Police | 1 |
Programming | 2 |
Radio | 3 |
Sakhalin | 1 |
Security systems | 3 |
Technology | 7 |
Telecommunications | 55 |
Telephony | 12 |
Tengiz | 1 |
Welding | 1 |
Радиоактивное излучение | 1 |