Isakoshi yo gukaraba ya Arefa ni isakoshi ikoreshwa mu buryo butandukanye yagenewe ingendo, gutembera no gukoreshwa buri munsi. Yagenewe by'umwihariko gutunganya amavuta yo kwisiga, ibikoresho byo kwita ku ruhu n'ibintu by'ingenzi byo kumesa, izana uburyohe bwiza mu gihe cyo gukaraba, ingendo ngufi, ingendo z'akazi no mu mpera z'icyumweru. Yubatswe mu mwenda woroshye udahumanya amazi, iyi sakoshi irinda gushwanyagurika no kwangirika, byoroshye guhanagura nyuma yo kuyikoresha. Kudoda neza cyane bituma iramba mu gutwara buri munsi igihe kirekire. Ahantu heza ho gushyiramo amavuta yo kwisiga mu maso, amavuta yo kwisiga, uburoso bwo kwisiga, iminwa yo ku mutwe, udupfukamunwa two mu maso n'ibindi bikoresho bitandukanye byo kwiyuhagira. Imifuka myinshi y'imbere igabanyamo kabiri ifasha gutandukanya ibintu bito no kwirinda kuvanga ibintu mu buryo butunguranye. Zipu yoroshye ituma umuntu afungura kandi agafunga vuba kugira ngo abone ibintu byoroshye. Umushumi w'intoki ufatanye wemerera gutwara mu ntoki, cyangwa ushobora gushyirwa mu gikapu n'imizigo utiriwe ufata umwanya munini. Inyuma handitseho ikirango cya kera cya Arefa hagaragaza imiterere yo hanze, ihuza neza n'ibindi bikoresho byo hanze bya Arefa. Iyo irimo ubusa, isakoshi yo gukaraba ishobora gupfunyika neza kugira ngo igumane umwanya wo kubika. Waba ugiye kuhakorera ingando, ugiye mu biruhuko cyangwa ugiye mu ngendo z'akazi za buri munsi, iyi sakoshi y'ubwiherero ifite imikorere myinshi irinda ubwiza bwawe n'ibikoresho byo kumesa neza. Ni inshuti nziza yoroheje ku bakunda hanze n'abagenzi bakunze kugenda.