 Gburugburu classifier ma ọ bụ gburugburu bụ otu Ngwuputa igwe eji maka ore mgbakwasa mmepụta, nke precipitated na mmiri mmiri dị iche iche gbapụrụ ọsọ site nkezi nke siri ike ahụ na nke bụ a ngwaọrụ nke mechancal grading. 