Lub qhov rooj hluav taws yog ib yam khoom siv hluav taws xob uas tau lees paub los ntawm kev ua lag luam, nws tuaj yeem kov yeej cov kev phom sij zais hauv ntau qhov chaw. Lub qhov rooj hluav taws faib qhov chaw ntawm lub tsev mus rau ntau qhov chaw hluav taws, yog li ntawd txhua qhov hluav taws kub muab faib thaum muaj hluav taws, nws tsis tuaj yeem kis tawm mus rau hauv ib lub sijhawm, kom tswj tau qhov hluav taws kub zoo.

qhov rooj tawm xwm txheej ceev nyob ze kuv,hluav taws kub ntsuas qhov rooj kick phaj,Thaum muaj xwm ceev tawm qhov rooj lever, hluav taws qhov rooj tawm qhov rooj xauv,

hluav taws kub resistant qhov rooj manufacturers,qhov rooj tawm xwm txheej ceev nyob ze kuv,ob chav steel ruaj ntseg qhov rooj nrog kho vajtse, duab ntawm ntoo kev ruaj ntseg qhov rooj rau flats, ruaj ntseg qhov rooj 820,Emergency tawm qhov rooj lever,kev nyab xeeb qhov rooj yees duab, 9 ko taw qhov rooj sab hauv,hluav taws qhov rooj tawm locks,labeled vaj huam sib luag qhov rooj,

ntoo fireproof qhov rooj,qhov rooj tawm xwm ceev nyob ze kuv,siv qhov rooj thaum muaj xwm ceev, hluav taws kub ntsuas qhov rooj ul, hluav taws kub ntsuas qhov rooj nyob