Kubice bito by'ibikorwa, ibikoresho byo gutwika ifu y'intoki bikoreshwa muri rusange, mugihe kubice binini, ibikoresho byo gutwika ifu byikora kandi byikora bisanzwe bikoreshwa. Hatitawe ku gukoresha ifu y'intoki cyangwa yikora ikoreshwa, gukomeza kugenzura ubuziranenge ni ngombwa. Ni ngombwa kwemeza ifu imwe hamwe nubunini buhoraho kumurimo wakozweho, kwirinda inenge nko gutera uduce duto, ahantu hatakaye, no kuyikuramo.
Muri ubu buryo bwo gutunganya umurongo, hagomba kwitonderwa byumwihariko kubifuni kumurimo. Mbere yo kwinjira mu cyiciro cyo gukira, ifu ishoboka yose ifatiye ku nkoni igomba guhita kugira ngo ifu irenze idakomera. Niba kuvanaho ifu irenze mbere yo gukira biragoye rwose, firime yifu yifu ifatanye igomba guhita ikurwaho kugirango yizere neza, byorohereze ifu mugice gikurikira cyibikorwa.
