Imiterere yo kubika ibara ryuzuye rya aluminiyumu igenzurwa neza kugirango ibungabunge ubuziranenge. Ibiceri bibikwa mububiko busukuye, bwumutse, nubushyuhe bugenzurwa nubushyuhe kugirango hirindwe ubushuhe, umukungugu, nubushyuhe bwubushyuhe butagira ingaruka kuri kote. Bishyirwa kumurongo wuzuye kugirango birinde gushushanya hejuru, hamwe no gupfunyika kurinda kugeza igihe byoherejwe. Igenzura risanzwe rikorwa kugirango ibintu byose bibikwa byujuje ubuziranenge bwubuziranenge, byemeze ko buri giceri gikomeza ibara, kurangiza, nubunyangamugayo mbere yo gutanga.