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