Thaum ua haujlwm ntawm PCB laser txiav tshuab, cov neeg siv yuav tsum tau them sai sai rau cov ntsiab lus hauv qab no: Ua ntej, xaiv qhov tsim nyog laser tsis thiab txiav ceev raws li cov khoom siv thiab thickness; thib ob, tsis tu ncua xyuas cov khoom siv kho qhov muag thiab cov khoom siv kho qhov muag kom ntseeg tau tias lawv nyob hauv qhov zoo; Thaum kawg, nruj me ntsis ua raws li cov cai tswj kev nyab xeeb thaum lub sijhawm ua haujlwm thiab hnav cov looj tsom iav thiab lwm yam khoom siv tiv thaiv tus kheej kom tsis txhob muaj hluav taws xob laser ua rau lub qhov muag puas.