 |
| |||
| automatic powder system (Yeldar Azanbayev) | |||
| порошковая система автоматического пожаротушения: 5 phrases in 3 subjects |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |
| Production | 2 |
|
| |||
| automatic powder system (Yeldar Azanbayev) | |||
| порошковая система автоматического пожаротушения: 5 phrases in 3 subjects |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |
| Production | 2 |