A na-eji eriri akwa akwa akwa akwa akwa akwa na-agbanwe agbanwe, a na-eji eriri waya na-ewepụ ihe mkpuchi oyi akwa nke eriri mkpuchi.Knife-ọnụ nwere ike mma-ekiri iji merie ọkpụrụkpụ nke nonuniform elu oyi akwa nke mkpuchi, na ọ bụghị na-emerụ ọla kọpa na aluminum line.It mere site elu ike aluminum alloy.