Hla ib nrab puag ncig lub taub hau hlau galvanized siab qis xov tapping ntsia hlau yog ib qho kev sib txuas uas siv dav hauv cov teb xws li architecture, rooj tog, thiab tsheb. Nws yog ua los ntawm cov khoom siv hlau zoo, nrog rau saum npoo kho nrog zinc plating, uas muaj kev tiv thaiv corrosion zoo thiab zoo nkauj.
Cov yam ntxwv ntawm cov khoom no yog nws qhov siab thiab qis tus hniav tsim, uas tuaj yeem txuas ob yam sib xyaw ua ke sai thiab tsis yooj yim rau loosen thaum siv. Tsis tas li ntawd, nws tus ntoo khaub lig ib nrab puag ncig lub taub hau tsim kuj ua rau kom zoo nkauj thiab kev nyab xeeb ntawm cov khoom.