Byoroshye guteranya screw ihuza plastike U ishusho yumuzingi hamwe na aluminiyumu ihuriweho na aluminium lean tube yimuka yimikorere ya sisitemu ya Karakuri.
Turi abakora aluminiyumu.Ibicuruzwa byacu bigurishwa biturutse ku nganda.Hamwe nibiciro biri hasi hamwe no kohereza byinshi, nitwe duhitamo neza kubacuruzi.