Gushakisha ihahamuka ntabwo ari nko gushakisha ibicuruzwa. Waba wongeyeho isoko ya kabiri cyangwa wujuje ibyangombwa bishya byatewe no guhahamuka, 'utanga ' ni bimwe mubikorwa bya sisitemu yo kwizerwa yo kubaga - kubera ko buri mugongo, inzira zidahuye, cyangwa cha idafite ibyangombwa