| |||
air pollution monitoring (Alexander Demidov); gas hazard monitoring (Alexander Demidov) | |||
smoke detection (Alexander Demidov) | |||
gas testing (twinkie) |
контроль загазованности : 9 phrases in 4 subjects |
Firefighting and fire-control systems | 2 |
Gas processing plants | 1 |
General | 5 |
Weapons of mass destruction | 1 |