gas alarm : 40 phrases in 14 subjects |
Construction | 1 |
Energy industry | 1 |
Firefighting and fire-control systems | 1 |
General | 4 |
Gold mining | 1 |
Karachaganak | 1 |
Military | 3 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Sakhalin | 3 |
Security systems | 2 |
Shipbuilding | 1 |
Technology | 2 |
Weapons of mass destruction | 17 |