Twibanda ku gukora ibyuma bitunganya ibyuma, bikoreshwa cyane mu gukata neza ibikoresho nk'icyuma kitagira umugese, icyuma cy'umuringa, na aluminiyumu. Bikozwe muri karubide, bisukurwa n'ubushyuhe, kandi bigasigwa neza, birwanya kwangirika no gucika kw'ibyuma. Bitanga uburyo bworoshye bwo gukata, nta gucika kw'ibyuma, kandi nta guhangayika, bigatuma bikoreshwa mu buryo bwihuse kandi bukabije. Bitanga ubuziranenge budasanzwe mu gukata neza no gukata ibyuma byoroshye, bikongera igihe cyo gukora, bikongera umusaruro, kandi bigabanya ikiguzi cy'imikorere muri rusange.
