Ubwa mbere, fata ubushyuhe buturuka ku mirasire y'izuba.Kurugero, 6mm isobanutse ireremba hejuru, diatermancy yose munsi yizuba ni 84%.Ariko mubihe bimwe, ni 60% kubirahuri byamabara.Ikirahuri cyamabara gifite ubunini butandukanye namabara atandukanye, bizakurura ubushyuhe butandukanye nimirasire yizuba.
Icya kabiri, Kuramo izuba urumuri rugaragara.Ikirahuri cyamabara gishobora kugabanya ubukana bwurumuri rwizuba, bigira ingaruka zo kurwanya vertigo.
Icya gatatu, gira umucyo, ushobora gukurura imirasire ya ultraviolet, kurinda abantu.
Igihe cyo kohereza: Nyakanga-04-2022