1, cov nqi kho mob qis: tus nqi ntawm qhov kub dipgalvanized hlau kaum sab xis barkev tiv thaiv qis dua tus nqi ntawm lwm cov xim pleev xim;
2, ruaj khov: kub-dip galvanized Lub kaum sab xis hlau muaj cov yam ntxwv ntawm qhov ci ntsa iab, txheej zinc sib xws, tsis muaj qhov xau plating, tsis muaj dej ntws, muaj zog nplaum, muaj zog tiv thaiv corrosion, nyob rau hauv ib puag ncig suburban, tus qauv kub-dip galvanized xeb tiv thaiv tuab tuaj yeem tswj tau ntau dua 50 xyoo yam tsis tau kho; Hauv nroog lossis thaj chaw ntug dej hiav txwv, tus qauv kub-dip galvanized tiv thaiv xeb txheej tuaj yeem tswj tau 20 xyoo yam tsis tau kho;
3, kev ntseeg tau zoo: txheej galvanized thiab hlau yog kev sib xyaw ua ke ntawm cov hlau, ua ib feem ntawm cov hlau nto, yog li qhov ruaj khov ntawm cov txheej txheem yog qhov txhim khu kev qha dua;