Laser tu cov cuab yeej muaj ntau yam zoo dua li kev tu ib txwm siv.
Rau cov pib, lawv yog cov heev leej thiab muaj peev xwm tshem tawm impurities thiab coatings yam tsis muaj kev puas tsuaj rau substrate.
Qhov thib ob, lawv muaj kev nyab xeeb thiab zoo ib puag ncig, vim lawv tsis siv tshuaj lom neeg lossis cov khoom xyaw txaus ntshai.
Thib peb, lawv ua tau zoo heev, ntxuav cov cheeb tsam loj sai sai thiab zoo.
Tsis tas li ntawd, lawv yooj yim rau kev khiav lag luam thiab xav tau kev saib xyuas me ntsis, ua rau lawv zoo meej rau kev lag luam thiab kev tsim khoom.
Zuag qhia tag nrho, laser ntxuav tshuab muab kev nyab xeeb, ua haujlwm tau zoo, thiab kev xaiv tu huv rau ntau yam kev siv.