Dej Los Ntawm Cov Yeeb Nkab Galvanized

Raws li galvanized kav lub hnub nyoog, cov zinc txheej yaig uas ua rau cov kav dej xeb. Thaum cov kav dej txuas, cov hlau lead, uas yog cov taug mob lom, tuaj yeem tsim nyob hauv cov kav dej. Nco ntsoov tias cov kav dej galvanized yuav muaj peev xwm tsim kev puas tsuaj loj rau kev noj qab haus huv. Qhov no yog qhov tseeb yog tias cov kav dej tsis hloov lossis hloov kho nrog cov kav dej muaj kev nyab xeeb dua.