Pob zeb ua cov ntaub ntawv ua tiav qib siab cov khoom tsim kho kom zoo nkauj, dav siv hauv cov pem teb paving, cov txee thiab cov rooj tog zaum kho kom zoo nkauj. Nyob rau tam sim no, kho kom zoo nkauj pob zeb hauv tsev yog tsuas yog pem teb thiab phab ntsa.
Vim hais tias lub phab ntsa tsis ntev li ntev raws li hauv av raug kev txom nyem los ntawm cov neeg ua kom tawg pleb, dav siv quav ciab tuaj yeem yog, tab sis nws belongs rau lub cev npog, yuav txhaws lub pob zeb saum npoo pores impermeable yooj yim los txhim kho qhov txhab. Yog li, txhawm rau kom muaj kev zoo nkauj ntev ntawm phab ntsa zeb, nws yog qhov yuav tsum tau mus dhau ntawm cov txheej txheem tib yam li hauv av, thaj, ua kom tiav, ua tiav, polishing, siv lead ua saum npoo kho ntawm tib cov txheej txheem.
Qhov chaw tshwj xeeb ntawm phab ntsa tsuas yog ua haujlwm los ntawm lub tshuab polishing siv tshuab. Feem ntau siv pob zeb qhuav sib tsoo daim rau ntawm phab ntsa kom qhuav sib tsoo, yog li kev sib tsoo tej daim yuav tsis kub, cov nyhuv kuj zoo tagnrho. Nyob rau tib lub sijhawm, hauv marble lub tog raj kheej, phab ntsa, kaum ntawm kev sib tsoo peb kuj tseem tuaj yeem xaiv cov ntawv xuab zeb, kom nws yuav tsis zoo li kev sib tsoo thaum lub qhov sib sib zog nqus, kom thiaj yooj yim kho, cov nyhuv kuj zoo heev.
