Mubice byibikoresho bya parikingi, amarembo yo kwamamaza inzitizi agaragara nkibisubizo bibiri-bikorwa bitagenga gusa ibinyabiziga ariko kandi bikora nkamamaza neza. g urubuga. Aya marembo akunze gukoreshwa muburyo butandukanye nkubucuruzi, ibiro byibigo, hamwe nibibuga byibirori, gutanga umutekano winjira no gusohoka mugihe nayo utanga ubucuruzi amahirwe yihariye