1. Los tiv thaiv xeb kho yuav tsum ua nyob rau saum npoo ntawm cov yeeb nkab galvanized.
2. Lub chaw nres nkoj hlau yuav tsum tau txhuam thiab du, thiab tom qab ntawd pleev xim nrog cov xim xeb tawm.
3. Yog hais tias txheej txheej los tiv thaiv xeb ntawm qhov txuas sib txuas yog puas thaum lub sijhawm vuam thiab kev txiav, thiab cov nyhuv los tiv thaiv xeb tsis tiav, nws yog qhov yuav tsum tau sau qhov tsis sib xws ntawm qhov txuas welded ua ke nrog putty, thiab tom qab ntawv thov cov anti -ib xim.
