Cov qhov rooj hluav taws tau muab faib ua Class A, Class B thiab Class C raws li qhov ntsuas hluav taws. Ntawm lawv, lub sijhawm tiv thaiv hluav taws ntawm Chav Kawm A qhov rooj hluav taws tsis pub tsawg dua 90 feeb. Ntev npaum li lub qhov rooj hluav taws ua tau raws li qhov xwm txheej no, lawv tuaj yeem hu ua Class A qhov rooj hluav taws. Txais tos kom sab laj peb.

hluav taws qhov rooj 1 teev,hluav taws kub resistant qhov rooj manufacturers hauv Mumbai,hluav taws qhov rooj pom vaj huam sib luag qhov ntau thiab tsawg, qhov rooj tawm qhov rooj thaum muaj xwm ceev,

hluav taws kub resistant qhov rooj chaw tsim tshuaj paus, hluav taws kub resistant qhov rooj rau tsev, hluav taws kub resistant qhov rooj,hluav taws qhov rooj 1 teev,hlau ruaj ntseg qhov rooj, hluav taws kub resistant qhov rooj qauv,hluav taws qhov rooj pom vaj huam sib luag qhov ntau thiab tsawg,tawm qhov rooj dav qhov tseem ceeb, hluav taws kub tiv thaiv qhov rooj xauv,Qhov loj ntawm qhov rooj tawm xwm txheej ceev,

hluav taws kub resistant, qhov rooj xim,hluav taws qhov rooj 1 teev,hluav taws kub resistant qhov rooj Malaysia, hlau qhov rooj