открытый сигнал : 26 phrases in 14 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Automobiles | 3 |
Computer networks | 1 |
Electronics | 2 |
Information security and data protection | 1 |
Makarov | 1 |
Mass media | 1 |
Military | 2 |
Programming | 4 |
Rail transport | 2 |
Technology | 4 |
Transport | 2 |
Yachting | 1 |