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