 |
| предупреждающий сигнал: 72 phrases in 27 subjects |
| Armored vehicles | 1 |
| Astronautics | 2 |
| Automobiles | 11 |
| Aviation | 1 |
| Aviation medicine | 7 |
| Combustion gas turbines | 1 |
| Computer networks | 2 |
| Computers | 2 |
| Electronics | 2 |
| Energy industry | 2 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Information technology | 1 |
| Makarov | 1 |
| Maritime law & Law of the Sea | 1 |
| Mass media | 4 |
| Military | 4 |
| Nautical | 1 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Programming | 1 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Technology | 9 |
| Telecommunications | 3 |
| Telephony | 1 |
| Transport | 4 |