Thawj yog xim ceev ceev ntawm cov ntaub, tseem hu ua xim ceev ceev, uas txhais tau tias yog qhov tsis kam ntawm cov xim ntawm cov ntaub rau ntau yam teebmeem thaum siv thiab ua. Thaum lub sij hawm xeem, cov ntaub yuav muab cov xim ceev ceev raws li cov khoom xeem.

Qhov thib ob yog xim ceev, uas yog hais txog qhov tsis kam ntawm cov xim ntawm cov ntaub rau ntau yam corrosive teebmeem xws li lub teeb, kev sib txhuam thiab hws thaum ua.

Qhov kawg yog xim ceev, uas yog rau cov khaub ncaws nrog ntau xim. Thaum cov khaub ncaws zoo li no tau sau, cov xim yuav kis tau los ntawm qhov tsaus ntuj mus rau lwm qhov chaw. Peb hu lub peev xwm ntawm fabrics xim ceev ceev. Siv. Nws muaj ntau yam ua rau cov ntaub ntawv muaj pes tsawg leeg, thiab cov khoom siv tshuaj fiber ntau yog ua rau qhov tshwm sim no.