Mochini oa ho roala likhoele bakeng sa mefuta e mengata ea boholo le mefuta. Ho ea ka mofuta oa mosebetsi, Mochini o roalang likhoele tse tharo o sebelisetsoa ho sebetsa liphaephe tsa tšepe tse se nang letho, 'me mochini o roalang likhoele tse peli o sebelisetsoa ho lokisa mekoallo ea tšepe e tiileng.
Ho ea ka bophara ba "workpiece" ea "workpiece", ho na le mefuta e mengata eo u ka e khethang. Mochine o nang le mohlala o le mong o ka phalla ka mefuta e mengata ea li-diameter.
Mochini o ka theola lithapo tse fapaneng tsa bophara le mefuta ea likhoele ka ho fetola liforomo (tse ikhethileng, tsa metric, tsa Amerika le inch).
E ka sebelisoa ka mochini o fepang ka boiketsetso ho theha mohala oa tlhahiso o ikemetseng, o bolokang nako, matsapa le mosebetsi.