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