Ponena za makina ochapira pogwiritsa ntchito laser, pali mitundu yambiri pamsika. Pakati pawo, njira ziwiri zodziwika bwino ndi makina ochapira pogwiritsa ntchito laser opangidwa ndi manja oziziritsidwa ndi madzi ndi makina ochapira pogwiritsa ntchito laser opangidwa ndi mpweya. Makina awiriwa amasiyana osati kokha m'njira zawo zoziziritsira, komanso m'njira zina...
Kuwotcherera kwa laser ndi njira yotchuka kwambiri popanga zinthu chifukwa cha kulondola kwake komanso kugwira ntchito bwino. Chimodzi mwazinthu zofunika kwambiri pa makina owotcherera a laser ndi njira yotsatirira msoko, yomwe imatsimikizira malo olondola a laser. M'nkhaniyi, tiwunika...