• Urubanza rw'umuceri rugizwe n'ibikoresho bikomeye bya aluminiyumu, twizewe kandi byashobokaga kumeneka cyangwa kunama, bitanga uburinzi bw'agace kitari ikarito cyangwa iremereye yo gukoresha igihe kirekire.

    Turi uruganda rufite uburambe bwimyaka 15, kabuhariwe mubikorwa byibicuruzwa byihariye nko gusiganwa, amakimbirane ya mapine, mapine, ibibazo, nibindi byindege, nibindi