Nukuri ni inshingano zacu zo guhaza ibyo usabwa no kugukorera neza. Isohozwa ryawe ni ibihembo byacu bikomeye. Turahiga imbere kugirango ugenzure iterambere ryubururu bwa okide yubururu,Umuringa kuri oxide,Umuringa hydroxy - karbone,Umuringa wa chloride,Ibikombe. Tuzakora ibishoboka byose kugirango twubahirije ibyo usabwa kandi tugategereza tubikuye ku mutima iterambere ryubucuruzi bwubucuruzi nawe! Ibicuruzwa bizatanga ku isi hose, nk'Uburayi, Amerika, Ositaraliya, Filipine, muri Senegali, ibicuruzwa byoherejwe mu majyepfo - Afurika, no kugurisha mu gihugu cyacu. Kandi ukurikije ubuziranenge buhebuje, igiciro cyumvikana, serivisi nziza, twabonye ibitekerezo byiza kubakiriya mumahanga. Urahawe ikaze kudusanga mubishoboka ninyungu. Twakiriye abakiriya, amashyirahamwe yubucuruzi n'inshuti baturutse impande zose z'isi kugirango tundikire kandi dushake ubufatanye kugirango inyungu zibyungu.
Va ubutumwa bwawe