Gutera ibyuma, bizwi nkibikoresho byiza byinkono, ntabwo byangiza umubiri wumuntu gusa, ahubwo birinda no kubura amaraso.Inkono y'icyuma isizwe ni verisiyo yazamuye inkono yicyuma, itangiza ibidukikije kandi nziza.Igice cya emamel kirashobora gutuma inkono yicyuma igora cyane kandi ikagira umwotsi wamavuta, ikora hamwe nibintu bya acide byuzuye, bikomeye, biramba kandi bifite amateka.Ifite kandi ibyiza bitatu bikurikira.Amashanyarazi yamashanyarazi ashyushye vuba kandi agumane ubushyuhe igihe kirekire.Birumvikana ko POTS idashyuha vuba nka plaque ya aluminium, ariko imbaraga zayo, kurwego runaka, inkono yose yinjira muburyo butetse, kandi imikorere yimbere irerekanwa byuzuye, kandi iyi leta irashobora kugumaho hamwe numuriro muto .Numuriro urangiye, inkono izakomeza gushyuha igihe kirekire, kandi ubushyuhe bwamazi bwamazi buri hejuru.Ihujwe nubushyuhe bwo hejuru bwokwirinda icyuma cyitwa emamel inkono kugirango ikomeze ifuru yawe.
Igihe cyo kohereza: Gashyantare-25-2022
