sprinkler alarm valve clapper
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- avoidable accident
- minimum occupant load
- fire-proof fiber;fireproof
- thermal fracture
- combustion space
- door holding device
- forest farm
- composite explosive
- resource officer
- data acquisition and processing
- fire drencher
- α-AlH3
- ceiling panel heating
- Cauterization
- fail-obvious condition
- compressed air tool
- Firemaster CA
- control state
- watering system
- water officer;water supply officer