1. Ua ntej sandblastingrauxeb tshem tawm, tiv thaiv kev nyab xeeb ntawm tus kheej zoo, hnav cov khaub ncaws tiv thaiv kev tiv thaiv kom zoo; thiab tshuab sandblasting thiab tshuab raj tshuaj ntsuam xyuas, txhawm rau kom paub tseeb tias lub foob, tshuaj tsuag ntsuas, yog tias lub qhov tso pa tawm plua plav tshem tawm cov khoom ua haujlwm tsis ua haujlwm, ces peb yuav tsum nres sandblasting ua haujlwm.
2. Cov dej ua haujlwm xeb yuav tsum ua kev huv ntawm lub ntsej muag ua ntej sandblasting xeb tshem tawm, kom tsis txhob muaj kev cuam tshuam cov txheej txheem ntawm sandblasting xeb tshem tawm. Feem ntau tus txheej txheem ntawm kev cuam tshuam nrog lub hnub ci, nrog rau kev daws teeb meem kom huv, ntxuav kua qaub, thiab lwm yam.
3. Sandblasting thiab xeb tshem tawm kev kho mob, cov khoom siv tshuaj txau kom haum nrog cov nplaim ntawm cov khoom siv kho kom ua tau kho, qhov chaw deb yuav tsum tau tswj ntawm 15-30 cm lossis li ntawd.
4. Ua kom zoo dua qub kev ua haujlwm ntawm sandblasting ntim thiab nrawm, thiab tshem tawm xeb, oxide txheej, roj, thiab lwm yam los ntawm kev cuam tshuam thiab txiav cov nyhuv pomegranate xuab zeb rau saum npoo ntawm qhov chaw ua haujlwm, thiab sandblast xeb tshem tawm raws li qib kev ntxuav.
5. Tom qab cov xuab zeb thiab xeb tshem tawm, nres cov khoom siv hmoov av li 5 feeb thiab tom qab ntawd tua kom tsis txhob muaj lub tshuab puas tsuaj.
