original question: Which profession has the specialization of [Machinists and Tool and Die Makers]?
answer: tool and die maker, machinist
answer type: Profession.
auxiliary information: Machinists and tool and die makers set up and operate a variety of computer-controlled and mechanically-controlled machine tools to produce precision metal parts, instruments, and tools.
What do you call the profession of one who has [Machinists and Tool and Die Makers] as a specialty?