: ejuru -.
Mu rwego rwo hejuru-ibikoresho bigize ingaruka kumashanyarazi nkamashanyarazi, guhagarika imyanda ya reberi bikora nkibice byingenzi bigabanuka. Imikorere yabo igira ingaruka kubikoresho byubuzima bwubuzima n'umutekano uyobora. Ibikoresho gakondo bya reberi akenshi biterwa no kurwanya ingaruka mbi, biganisha ku gutsindwa cyangwa gukomeretsa amaboko kubakoresha.