 Ọ bụghị naanị na ike wepu ịgbado ọkụ ike, kamakwa ike welie workpieces ike ọgwụgwụ na-eguzogide, na iru nzube nke mma nime na elu àgwà The igwe adabara ndị nchegbu enyemaka na nchara na-wepụ na-ebupụta nke ụlọ, àkwà mmiri na ndị ọzọ na nnukwu-ọnụ ọgụgụ m -beam ígwè ụlọ ọrụ, na nnukwu size st . 