Gupfa guhimba

Gupfa gupfa ni inzira yo gukora ibice byicyuma uhatira ibyuma bishongeshejwe munsi yumuvuduko mwinshi mukuzimu.Ibyobo bipfa cyangwa bibumbabumbwe mubisanzwe byakozwe hamwe nicyuma cyibikoresho byakoreshwaga mbere byakozwe muburyo bwa net ibice byapfuye.Aluminium A380, ADC12, zinc, na magnesium nibikoresho bikunze gukoreshwa mugupfa.