Chifukwa 1: Kusasinthasintha kwa mtunda pakati pa workpiece ndi mutu wa laser.
Yankho: Sinthani tebulo logwirira ntchito kuti mugwirizanitse mtunda pakati pa workpiece ndi mutu wa laser.
Chifukwa chachiwiri: Lenzi yowala yosatsukidwa kapena yosweka.
Yankho: Kuyeretsa ndi kusintha.
Chifukwa 3: Mavuto a kapangidwe ka zithunzi.
Yankho: Sinthani kapangidwe ka zithunzi.
Chifukwa 4: Kupatuka kwa njira yowunikira.
Yankho: Malinga ndi njira zosinthira njira yowunikira, sinthaninso njira yowunikira.