 |
| alarm indication: 33 phrases in 14 subjects |
| Astronautics | 1 |
| Cardiology | 1 |
| Computer networks | 2 |
| Electronics | 1 |
| Energy industry | 1 |
| Information technology | 3 |
| Mass media | 1 |
| Military | 1 |
| Oil and gas | 1 |
| Programming | 1 |
| Radiolocation | 1 |
| Technology | 3 |
| Telecommunications | 15 |
| Transport | 1 |