Nkigice cyingenzi cyibikoresho byo kurinda umutekano, amaboko yo gukingira amaboko agira uruhare runini mubikorwa bitandukanye. Mugutanga uburinzi bwinshi nko kurwanya kugabanuka, kurwanya abrasion, guhinduka no guhumeka, birashobora kurinda ukuboko cyangwa ukuboko kwose gukomeretsa, bikadufasha gukora imirimo itandukanye dufite amahoro menshi yo mumutima.