Uko ikoranabuhanga rigenda ritera imbere, uruganda rwitumanaho ruri hafi ya sisitemu yitumanaho ntoya, yoroshye, uyumunsi turashaka kumenyekanisha uburyo bwo gufata akayunguruzo ka cavity nkumutwara wa module kugirango dushushanye sisitemu ntoya kugirango ihuze ibice byoroshye kandi bikora, hamwe na adva yayo. ..
Soma byinshi