 |
| цепь сигнализации: 53 phrases in 20 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Aviation | 2 |
| Communications | 2 |
| Construction | 1 |
| Electrical engineering | 2 |
| Electronics | 3 |
| Firefighting and fire-control systems | 6 |
| Gyroscopes | 1 |
| Information security and data protection | 2 |
| Information technology | 3 |
| Mass media | 3 |
| Military | 1 |
| Nanotechnology | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Security systems | 6 |
| Technology | 10 |
| Telecommunications | 3 |
| Transport | 1 |