Ibyuma byacu byo gutema ibyuma byerekana ubukana bwinshi, kwihanganira kwambara cyane, hamwe no gukata ibyuma, bigatuma bikwiranye nuburyo butandukanye bwo gutunganya, harimo guhinduranya, gusya, gutandukana, no gusya. Ibicuruzwa byacu, harimo guhinduranya ibyongeweho, gusya, gushiramo no gutondagura, hamwe no gukata imitwe, bitanga igihagararo cyiza cyo gukata kandi birakwiriye gutunganya neza ibikoresho nkibyuma bitagira umwanda, ibyuma bikozwe mucyuma, nicyuma kivanze. Bongera imashini ikora neza kandi ikabaho, mugihe batanga ibiciro-byinshi kandi byinshi.
