American Txheem Hluav Taws Cov Qhov Rooj Muaj qee qhov kev nyab xeeb ntawm kev nyab xeeb thiab tiag tiag tuaj yeem yog qhov sib txawv ntawm lub neej thiab kev tuag.
Yog tias koj muaj cov khoom lag luam lossis cov khoom tsis yog tsev nyob, muaj cov txheej txheem nruj thiab cov txheej txheem ua raws, ua kom pom cov qhov rooj tuaj yeem tiv thaiv qee yam cua sov.
Qhov rooj hluav taws kub tuaj yeem muaj cov txiaj ntsig loj rau cov khoom ntiag tug.
Cov rooj hluav taws kub yog tsim los ntawm ntau yam. Lub qhov rooj nws tus kheej feem ntau yog ua los ntawm cov hlau galvanizedtus ncej, tab sis lawv tuaj yeem qee zaum yuav them rau hauvHluav Taws Kub-Resistant Cov Ntaub Ntawv.
Nyob ib ncig ntawm cov npoo ntawm lub qhov rooj yuav yog tuskaw suab, uas yog tsim los nthuav dav thaum kub ncav cuag dhau 200 degree los kaw cov khoob ntawm lub qhov rooj thiab thav duab.
