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