Hluav Taws Rated Qhov Rooj Hloov Kho

Kev hloov kho ntawm lub qhov hluav taws kub uas xav tau kev paub tshwj xeeb ntawm cov lej thiab yuav tsum tau ua los ntawm ib tus neeg uas tau lees tias yuav ua haujlwm Oputs. NFPA 80 muab cov lus qhia tshwj xeeb rau qhov uas tuaj yeem ua tau thiab tsis tuaj yeem ua rau lub qhov rooj ntaus nrig. Nws yog ib qho tseem ceeb kom paub meej tias txhua cov khoom siv tshiab muaj daim ntawv lo uas phim txoj kev ntaus nqi ntawm lub qhov rooj uas twb muaj lawm thiab thav duab.