Makina ojambula a laser ali ndi ntchito zosema ndi kudula ndipo amagwiritsidwa ntchito kwambiri popanga mafakitale osiyanasiyana. Makina ojambula a laser omwe amathamanga kwambiri kwa nthawi yayitali amafuna kuyeretsa ndi kukonza tsiku ndi tsiku. Monga chida kuzirala cha makina laser chosema, ndi chiller ayenera kukhalabe tsiku lililonse.