Kwerekana imyenda yerekana ibintu bigenda byamamara cyane mubucuruzi, kwerekana ibirori bidasanzwe, no kuzamura ibikorwa.Ubucuruzi bwimyenda yerekana ibicuruzwa byerekana kwerekana impuzu yimyenda itwikiriye hamwe na aluminiyumu kugirango itange inkari itagira inkeke mugihe ikomeza uburemere bworoshye, bwihuse kandi bworoshye.Ubwiza bwubu bwoko bwerekana impagarara nuburyo bwinshi burimo kumurika inyuma, kwerekana ibicuruzwa, hamwe na sitasiyo yubucuruzi yerekana ibicuruzwa.Sisitemu yo kwerekana imyenda ikubiyemo ibintu byose byahinduwe, mugihe kandi biramba cyane, bihamye, kandi byoroshye.