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| ответный сигнал: 40 phrases in 17 subjects |
| Astronautics | 3 |
| Automated equipment | 1 |
| Aviation | 1 |
| Computers | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 2 |
| Makarov | 1 |
| Mass media | 5 |
| Medical | 3 |
| Military | 9 |
| Mobile and cellular communications | 1 |
| Nautical | 1 |
| Oil and gas | 3 |
| Programming | 1 |
| Radiolocation | 2 |
| Technology | 4 |