Yenziwe ngeekhoyili zentsimbi yasentwasahlobo yochwephesha ephathwe ngobushushu kunye neekhoni ze-aluminiyam ukuqinisekisa ukuba zingumsebenzi onzima kakhulu.
Iikhoyili zentsimbi ezigqunywe ixesha elide zinceda ukucotha ukurusa kubomi basentlakohlaza.