Vim li cas cov ntawv xuab zeb muab faib ua cov ntawv xuab zeb thiab cov ntawv xuab zeb qhuav?

Nyob zoo sawv daws, peb feem ntau siv cov ntawv xuab zeb hauv kev ua haujlwm, hnub no kuv yuav qhia koj ob yam ntawm cov ntawv xuab zeb uas tuaj yeem siv rau ntau qhov xwm txheej.

Ua ntej tshaj plaws, cov ntawv xuab zeb qhuav, uas muaj kev sib tsoo muaj zog dua thiab hnav tsis kam, tab sis nws yooj yim ua rau plua plav paug.Nws yuav tsum tau hnav cov chaw tiv thaiv thaum ua haujlwm, uas feem ntau haum rau kev ua cov ntoo nto thiab phab ntsa kho kom zoo nkauj sib tsoo.

ATsis muaj lwm hom ntawv xuab zeb yog cov ntawv xuab zeb tsis muaj dej, uas feem ntau yog polished nyob rau hauv cov dej-kev coj tus kheej nrog cov plua plav tsawg thiab cov ntaub ntawv muag heev.Yog li ntawd, nws yog dav siv nyob rau hauv pob zeb sib tsoo, kho vajtse ua, tsheb zoo li polishing, xeb tshem tawm, xim tshem tawm thiab lwm yam lag luam.

Dab tsi yog qhov sib txawv tseem ceeb ntawm cov ntawv xuab zeb thiab cov ntawv xuab zeb qhuav?Qhov no yog vim qhov chaw nruab nrab ntawm cov xuab zeb ntawm cov dej abrasive ntawv yog me me, thiab hauv av yog me me.Yog tias cov ntawv abrasive dej qhuav, cov av yuav nyob hauv qhov chaw ntawm cov xuab zeb, thiab cov ntawv xuab zeb saum npoo yuav dhau los ua lub teeb thiab tom qab ntawd tsis ua tiav nws cov txiaj ntsig qub.Thaum cov dej siv ua ke, cov av yuav ntws tawm, yog li nws yog qhov zoo tshaj plaws los siv nrog dej.Thiab cov ntawv xuab zeb qhuav yog yooj yim heev, qhov sib txawv ntawm nws cov xuab zeb hais loj dua thiab hauv av loj dua.Nws yuav poob rau hauv cov txheej txheem ntawm kev sib tsoo vim qhov sib txawv, yog li nws tsis tas yuav siv dej.