 |
| |||
| alert circuit | |||
| цепь оповещения: 5 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Technology | 2 |
|
| |||
| alert circuit | |||
| цепь оповещения: 5 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Technology | 2 |