1. Lub teeb ci teeb ci tuaj yeem hloov tau rau cov nplais ntawm cov tsheb nqaj hlau los txo cov kev puas tsuaj ntawm lub substrate.
2. Kev siv lub laser tuaj yeem ua rau cov kev tshem tawm ntawm cov kuab paug, txhim kho kom huv, tiv thaiv lub substrate
3. Tsis siv cov khoom tu tshuab ntsuab, tshem tawm cov plua plav paug, txo cov nqi tu tsev
Lub tshuab hluav taws xob ua kom lub tshuab hluav taws xob tuaj yeem ua kom lub txhooj hauv npoo av tsis muaj kev puas tsuaj, txhawm rau txhim kho kev tu kom zoo, txhim kho cov khoom kis, tshem tawm kev nyab xeeb, thiab daws qhov teeb meem loj ntawm kev sib tsoo thiab tu cov plua plav paug.
