| |||
| emergency lighting source (Yeldar Azanbayev) | |||
|
источник аварийного освещения : 3 phrases in 2 subjects |
| Electronics | 1 |
| Firefighting and fire-control systems | 2 |
| |||
| emergency lighting source (Yeldar Azanbayev) | |||
|
источник аварийного освещения : 3 phrases in 2 subjects |
| Electronics | 1 |
| Firefighting and fire-control systems | 2 |