Makina osindikizira a laser amatanthauza kuti makina ojambulira amatha kuzindikirika mozungulira, chifukwa masiku ano zinthu zambiri zozungulira, zozungulira, zozungulira komanso zokhotakhota ziyenera kulembedwa ndi laser. Nthawi zambiri ndi yoyenera kulemba zilembo zazikulu zogwirira ntchito kapena zolemera kwambiri. Poyika chizindikiro cha laser pa mkono wozungulira, mutu wozungulira wa laser umagwiritsidwa ntchito pomaliza kuyika chizindikiro cha laser chozungulira, chomwe chimakhala chosavuta kuzungulira kuposa ntchito zozungulira, ndipo mutu wozungulira wa laser umafunikira mphamvu zochepa kuti zigwiritsidwe.
