Icyumba gikonje nububiko bumwe, hamwe nubushyuhe bwicyumba nubushyuhe hamwe nubukonje bwa kijyambere hamwe nubuhanga bugezweho bwo kuvura, kubika ibicuruzwa bidasanzwe mu nganda z ibiribwa, ubuvuzi, inyama, imbuto, imboga, imiti, ibiryo byo mu nyanja, guhinga, ubuhinzi, gupima ikoranabuhanga, mbisi ibintu n'ibinyabuzima.