Iyi sakoshi yabigize umwuga ikozwe mu mwenda wo mu rwego rwo hejuru wa PU uruhu, rworoshye, rworoshye, rutagira amazi kandi rwangiza ibidukikije. Mubyongeyeho, igishushanyo mbonera cya makiyeri utegura marike itanga uburinzi buhebuje.
Turi uruganda rufite uburambe bwimyaka 15, kabuhariwe mu gukora ibicuruzwa byabigenewe nk'imifuka yo kwisiga, amakariso, marike ya aluminiyumu, indege, n'ibindi.