1. Txawv los tiv thaiv kev ua haujlwm ntawm tub sab nyiag.Hauv kev tiv thaiv tub sab tiv thaiv tub sab los tiv thaiv kev ua tau zoo dua, feem ntau kaw tom qab lub qhov rooj tsis muaj tus yuam sij tsis tuaj yeem qhib qhov rooj;Lub qhov rooj hluav taws muaj qee qhov kev tawm tsam - txoj haujlwm kev ua haujlwm tab sis anti - kev ua tau zoo yog neeg pluag.
2, kev tua hluav taws sib txawv.Lub Rooj Vaj Huam Sib Luag Rooj Ruaj Ntseg Cov Khoom Siv Hluav Taws Xob tsis yog hluav taws kub, yog li lub qhov rooj ruaj ntseg tsis yog hluav taws;Lub qhov rooj hluav taws kub lub qhov rooj puv nrog cov khoom siv hluav taws, hluav taws kub tau zoo.
3. Cov qauv sib txawv.Cov qhov rooj yuav tsum tau cim nrog "tshaib plab" thiab xa mus rau cov kev qhia txuj ci ntawm kev ruaj ntseg GB 17565-2007.Cov rooj hluav taws kub feem ntau tsis muaj cov qauv tshwj xeeb, xws li kev ua cov nroj tsuag muaj hom no.
Lub qhov rooj hluav taws yog qhov tseem ceeb ntawm cov khoom siv hluav taws, yog ib feem qhib hluav taws, tsuas yog siv hluav taws kub (tsuas yog siv cov yeeb nkab zoo).Hauv lwm lo lus, tshwj tsis yog qee qhov tshwj xeeb, xws li cov yeeb nkab qhov rooj, uas tsis tas yuav nruab qhov rooj kaw, uas yuav tsum tau nruab lub qhov rooj hluav taws.
Anti-tub sab kev ruaj ntseg qhov rooj raws li nws cov qauv sib txawv, tuaj yeem faib ua qhib hom kev tiv thaiv tub sab, laj kab folding qhov rooj thiab hom rooj folding folding qhov rooj peb hom qhov rooj.Tab sis tam sim no siv nyob rau hauv lub chaw nyob raws li lub qhov rooj tseem ceeb qhib hom kev ruaj ntseg lub qhov rooj kev lag luam siv, raws li zej zog lossis thaj chaw taug kev hauv lub qhov rooj.Zawv zawg cov rooj feem ntau yog siv hauv cov khw muag khoom me me.
