A na-anabata usoro kpo oku ikuku na-ekpo ọkụ iji kpoo workpiece.Na-arụ ọrụ, site na onye ofufe ka mpụta ọhụrụ ikuku mgbe ntupu iyo kpo oku na-ekpo ọkụ na ime ozi, na workpiece kpụ ọkụ n'ọnụ site tinye n'akụkụ, si n'elu mgbe ihapu, site n'ime akaghị, na mgbakwunye na iku ume na a obere ego nke ọhụrụ. ikuku, ọtụtụ n'ime ikuku na-ekpo ọkụ na-ekpo ọkụ site na-aga n'ihu na-eji ọzọ, n'ime ụlọ ahụ, ọnụ ụlọ okpomọkụ nke nta nke nta na-abawanye, Mgbe okpomọkụ na-erute ọnọdụ okpomọkụ, ọkụ na-akwụsị.