Mu gihe imihindagurikire y'ikirere ikomeje kugira ingaruka ku miterere y'ikirere ku isi, akamaro ko gupima imvura neza kandi byizewe ntikarigeze kuba kenshi cyane. Ibipimo by'imvura byo gupima imvura mu ndobo byagaragaye nk'ibikoresho by'ingenzi ku bahanga mu by'ikirere, abashakashatsi ku bidukikije, ndetse n'abahinzi. Ibi bikoresho bitanga...