Ibyuma bitagira umwanda bivuga kwangirika kwumwuka, umwuka, amazi nubundi buryo bworoshye bwo kwangirika, hamwe na aside, alkali, umunyu nindi miti ivanze hagati yicyuma, kizwi kandi nkicyuma kitarwanya aside.Yakoreshejwe cyane mubice bitandukanye, harimo kubaka, ibikoresho byo kumeza, inzu ...
Soma byinshi