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| Противопожарная дымовая заслонка ( : A Fire Smoke Damper is a safety device designed to prevent spread of Fire and Smoke in the HVAC system. dossoulle) | |||
| Fire Smoke Damper: 3 phrases in 2 subjects |
| Construction | 1 |
| Oil and gas | 2 |
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| |||
| Противопожарная дымовая заслонка ( : A Fire Smoke Damper is a safety device designed to prevent spread of Fire and Smoke in the HVAC system. dossoulle) | |||
| Fire Smoke Damper: 3 phrases in 2 subjects |
| Construction | 1 |
| Oil and gas | 2 |