Inganda zipakira ibiryo
Imyuka ikoreshwa cyane mubiryo. Kubijyanye no gupakira, irashobora kubuza ibiryo kwangirika kwa okiside kandi ikagira uruhare mukugumya gushya. Byongeye kandi, dioxyde de carbone, nkibikoresho nyamukuru byamazi meza, birashobora kunoza uburyohe bwibinyobwa, iyi ikaba ari imwe mu mpamvu zituma abantu benshi bagura imashini zamazi zo murugo.