Ubutinyutsi budasanzwe, indorerwamo zizuba zitanga umwirondoro nkizindi.Iyi nyubako idasanzwe, idasanzwe yuburyo bwubatswe iranga amabara atandukanye acetate itandukanye nikiraro cyizuru cyikubye kabiri muri zahabu nziza.Ibara ryuzuye-ibara ryera acetate, gabanya gato inguni yikiraro nibisobanuro byuma bituma iyi moderi ihagarara mumihanda.Iyi sura yisi yose ni imyambarire kandi irashimishije.