Thaum siv tus kheej- cov ntawv nplaum, ua tib zoo saib xyuas qhov chaw npaj. Qhov saum npoo ntawm cov khoom yuav tsum tau sau npe yuav tsum qhuav, huv si, thiab tsis muaj roj thiab hmoov av. Qhov no ua kom daim ntawv lo ua kom ruaj khov thiab tiv thaiv nws los ntawm tev tawm lossis curling. Rau cov khoom ntxhib lossis cov khoom tshwj xeeb, ntxuav nrog cawv lossis daim ntaub qhuav ua ntej txhawm rau txhim kho cov nplaum nplaum.
Thaum siv daim ntawv lo, tuav nws maj mam thaum tev tawm ntawm daim ntawv rov qab. Pib siv daim ntawv lo ntawm ib qho kawg thiab maj mam nias nws ncaj nraim mus rau lwm qhov kawg kom tsis txhob muaj cua npuas thiab wrinkles. Yog tias daim ntawv lo loj lossis ntev, siv lub scraper lossis koj cov ntiv tes los siv txawm tias lub siab nyob rau saum npoo kom ntseeg tau tias cov nplaum nplaum tag nrho tiv tauj cov khoom, txhim kho adhesion.
Xaiv hom ntawv cim tsim nyog thiab ib puag ncig siv. Xaiv cov ntawv nrog cov ntaub ntawv tsim nyog thiab hom nplaum raws li qhov sib txawv ntawm kev siv ib puag ncig thiab kev xav tau, xws li siab - kub tiv taus, dej- tiv taus, thiab cov ntawv tshem tawm. Tom qab daim ntawv thov, tsis txhob muaj kev sib txhuam tsis tu ncua lossis qhov chaw ntub dej. Khaws cov ntawv kom huv thiab huv kom ntev lawv lub neej thiab xyuas kom meej nyeem tau.
