Nyob rau xyoo tas los no, tus nqi nce ntxiv ntawm cov khoom siv abrasive blasting media tau ua rau muaj kev nyuaj siab rau cov lag luam xws li kev tsim khoom, kev kho nkoj, thiab kev kho cov qauv hlau. Txhawm rau daws qhov teeb meem no, cov tuam txhab lag luam yuav tsum ua kom zoo dua ob qho tib si kev yuav khoom thiab kev siv cov tswv yim kom txo qis kev sib txhuam ...