Ukadaulo wa laser umakhudza kupanga, chisamaliro chaumoyo, ndi kafukufuku. Ma Laser a Continuous Wave (CW) amapereka zotulutsa zokhazikika pamapulogalamu monga kulumikizana ndi opaleshoni, pomwe ma Pulsed Lasers amatulutsa kuphulika kwakanthawi kochepa, kokulirapo kwa ntchito monga kuyika chizindikiro ndi kudula mwatsatanetsatane. Ma laser a CW ndi osavuta komanso otsika mtengo; lasers pulsed ndizovuta komanso zokwera mtengo. Onse amafunikira zoziziritsira madzi kuti ziziziziritsa. Kusankha kumadalira zofuna za ntchito.