Backing Pawg Thawj Coj

Kev Txij Nkawm ntawm cov laug cam thim rov qab yuav tsum muaj kev ntsuas raws li cov khoom siv. Hlau Rov qab cov laug cam yuav tsum tau kuaj xyuas kom xeb thiab kho nrog anti -} Tus xeb pleev xim (pom zoo txhua rau lub hlis uas puas yog oxidation. Ntoo rov qab cov laug cam yuav tsum tswj cov av noo (pom zoo 40 {{{6% rh) thiab raug tshuaj kho nrog cov tshuaj tua kab. Thaum tu, siv cov tshuaj ntxuav tawm nruab nrab (pH 6-8) thiab zam kom khawb saum npoo nrog cov dej kub siab (pom zoo siab<50 bar) or hard brushes. Avoid impact loads exceeding the load-bearing limit (e.g., <500 kg/m² for steel). Replace immediately if deformation exceeds 3 mm/m.