Puas yog lub qhov rooj hlau suav nrog hluav taws kub?

Yog lawm, ntau lub qhov rooj hlau yog hluav taws kub - ntev, muab cov tshuaj luam yeeb rau ib qho kev ntsuas tshwj xeeb los ntawm 20 feeb, txawm tias muaj kev ntaus nqi ntau dua yog ua tau. Qhov hluav taws kub tag nrho {{}} rated sib dhos ua nyob ntawm lub qhov rooj, thiab cov khoom siv hluav taws xob, txhua yam uas yuav tsum tau ua kom tau cov hluav taws xob rau cov rooj sib txoos kom muaj ntawv pov thawj. Koj tuaj yeem txheeb xyuas qhov cub tawg {{{}} Nplooj ntawv ntsuas los ntawm kev kuaj xyuas cov hluav taws kub {{8} Qhov ntawv cim ntsuas nws tau dhau los ua tus qauv NFPA.