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