Fireproof qhov rooj xauv tsis yog tsuas yog zoo nkauj ntawm cov tsos, tab sis kuj ruaj nyob rau hauv cov qauv. Nws txoj haujlwm loj tshaj plaws yog kev tiv thaiv tub sab nyiag. Tib lub sijhawm ntawm kev tiv thaiv tub sab nyiag, koj tuaj yeem nkag mus thiab tawm ntawm kev ywj pheej, muab 24-teev kev tiv thaiv tsis muaj kev cuam tshuam.

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