Menyekanisha
Imiterere karemano nziza ni laser-yaciwe hejuru yikirere cyumucyo wicyuma, bigatuma habaho ubusitani bwiza. Byongeye kandi, itara ryicyuma ryikirere rihinduka mugihe, kandi ibara ryarwo nuburyo bwihariye birashobora kwerekana ubwiza budasanzwe, bigakora urumuri rwiza nigicucu.