Ibyiza byaImiterere y'icyuma:
Muri rusange, ibyiza by'inyubako z'ibyuma ni ibi bikurikira:
Icyuma gifite igipimo cyo hejuru cy’imbaraga ugereranyije n’uburemere. Kubwibyo uburemere bw’ibyuma budashobora gupfukiranwa ni buto. Iyi mitungo ituma icyuma kiba ibikoresho byiza cyane ku nyubako zimwe na zimwe z’amagorofa menshi, ibiraro birebire, nibindi.
Ishobora guhinduka pulasitiki mbere yuko inanirwa; ibi bitanga imbaraga nyinshi zo kuyibika. Iyi miterere yitwa uburyo bwo kuyungurura.
Imiterere y'icyuma ishobora gusobanurwa neza cyane. Mu by'ukuri, icyuma kigaragaza imyitwarire yo gukurura kugeza ku rwego rwo hejuru kandi rusanzwe rugaragara neza.
Urufatiro rw'Icyumabishobora kubakwa hifashishijwe umubano mwiza n'uburyo bwo kwihanganirana buciriritse.
Gutegura no gukora ibintu byinshi akenshi birashoboka mu byuma.
Kubaka byihuse birashoboka mu nyubako z'ibyuma. Ibi bituma inyubako z'ibyuma zubakwa mu buryo buciriritse.
Ingufu nziza zo kunanirwa ni nabyo byiza ku miterere y'icyuma.
Iyo bibaye ngombwa, inyubako z'ibyuma zishobora gukomezwa igihe icyo ari cyo cyose mu gihe kizaza.
Ubushobozi bwo kongera gukoresha ibyuma mu kubaka nabwo ni inyungu.