N'ihi ụdị na-eguzogide ya nke ukwuu, a na-eji ezé carbide cemented eme ihe na ụlọ ọrụ na-egwupụta coal. Eze mgbọ bọtịnụ carbide carbide hemisphere eze carbide cimented Ezé dị larịị Eze gbajiri agbaji Quincunx eze Ezé okirikiri Tungsten carbide ezé