Tuvuze imyitozo yibikoresho, mubisanzwe dushobora gutekereza kubirangantego cyangwa utubari, kubakobwa, birasa nkaho ibyo bikoresho byombi byimyitozo ngororamubiri biremereye gato, ariko mubyukuri, dushobora kuba dufite ubwumvikane buke, ibiragi na barbell nuburemere butandukanye bwo guhitamo, abakobwa bafite imyitozo ya barbell ni ben nyinshi ...
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