A na-eji ya eme ihe na nhazi ịkpụ ígwè, ọtụtụ ebe a na-eji igwe egweri, CNC pịrị apị, igwe igwe igwe CNC.Iji ikuku abịakọrọ nwere ike na-ejide ike nke diski nwere ọgụgụ isi.ike adsorption nke ụgbọ elu ọ bụla (plastik, igwe anaghị agba nchara, ọla kọpa, aluminum, Aleck osisi, nonmagnetic ihe dị ka iko)