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What is the difference between mold maintenance and mold fitter?

Die fitter: specialized in making dies. From drawing review-preparation of materials, tools, measuring tools and equipment-hand drawing-mold test-samples meeting the requirements of drawings-delivery to production. Mold repair belongs to locksmith, mainly repairing molds, not making a complete set of molds. It has a wide range of knowledge and rich experience, and there are too many cases and reasons for mold damage. The workload is larger than that of die fitter, with high technical content.