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