Lub qhov ncauj kaw lub taub hau hlau yog ib hom hlau ntim. Qhov tseem ceeb tshaj plaws hauv kev tsim khoom yog kev xaiv ntawm raw cov ntaub ntawv thiab kev siv tshuab. Kev xaiv ntawm cov ntaub ntawv qub yog ntau dua yooj yim thiab yooj yim, tab sis raws li kev ua thev naus laus zis, nws yuav tsum muaj cov neeg ua haujlwm' Ib qho tseem ceeb tshaj plaws hauv kev tsim khoom yog tus txheej txheem polishing.
Hauv cov txheej txheem polishing ntawm cov hlau kaw kawg, muaj ob theem kev them sai sai rau, ib qho yog polishing, thiab lwm qhov yog teeb. Thaum sib tsoo, nws yog qhov tseem ceeb kom tshem tawm cov lus qev sib xyaw ntawm cov hlau thoob, thiab lub teeb tso tawm yuav tsum tau kho los ntawm cov txheej txheem tshwj xeeb kom nws muaj daim iav nyhuv. Peb yuav tsum tau them sai sai rau kev saib xyuas thiab kho ntawm lub kaw hlau thoob qhov chaw yuav. Qhov ua kom yuam kev yog: ua ntej, nchuav cov tshuaj ntxuav tes los yog ntxuav cov hmoov ntawm daim ntaub mos muag, tsau nws nrog dej me me, tom qab ntawd so nws, tom qab ntawd ntxuav nws nrog dej thiab muab tso rau sab nraud. Qhuav lawm. Tsis txhob muab cov thoob ntab ntab hlau los tso rau hauv ib lub taub ntub. Yog tias koj tsis chwv huab cua, lub thoob hlau yuav raug xeb los ntawm kev ya raws.https: //www.fhpails.com/
