Ibyuma bitagira umuyonga byujuje ubuziranenge bwumutekano. Ikozwe mubyuma bidafite ingese, ninyungu zayo zirambye. Nibyoroshye kubungabunga, gusa ubisukure mukungugu hamwe nibikoresho bisanzwe byogusukura ibyuma bitagira umwanda, bikoreshwa murugo kubikoresho bidafite ibyuma, ingofero, amashyiga, nibindi. Birashobora gushyirwaho byoroshye numuntu wese ubikora wenyine. guteranya ibikoresho cyangwa gushiraho akazu kurukuta. Hariho ubwoko bwinshi nubunini bwo guhitamo.