1. Kev cuam tshuam tsis zoo rau ib puag ncig thiab hnav thiab tsim kua muag ntawm lub substrate.
2, Abrasive blasting tshuab tsim cov khoom pov tseg ntau thiab tuaj yeem ua rau qhov chaw zoo ntawm lub substrate.
3, Thiab kev ntxuav nrog cov kuab tshuaj lom neeg ua rau muaj cov pa phem thiab cov dej khib nyiab.
Qhov tsis zoo ntawm txoj kev tu ib txwm siv tau ua rau kev siv tshuab laser hauv thaj chaw tu. Vim tias nws muaj ntau yam zoo, kev tu lub laser tam sim no yog txoj hauv kev zoo tshaj plaws ntawm kev tshem tawm cov khoom siv tshuaj.
