经验丰富的加工工具运营商通过学徒培训，可能会成为机械师或工具和模具制造商。
Experienced machining tool operators may become machinists or tool and die makers through apprenticeship training.
加工检察员可能需要是具有多年经验的机械师，工具和模具制造商或加工工具操作员。
Several years of experience as a machinist, tool and die maker or machining tool operator may be required for machining and tooling inspectors.
工具和模具制造商，使用各种金属，合金和塑料，修理和修改需要精确尺寸的定做，原型或专用工具，模具，工模，夹具和量具。
Tool and die makers make, repair and modify custom-made, prototype or special tools, dies, jigs, fixtures and gauges using various metals, alloys and plastics which require precise dimensions.
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