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Is the mold an indirect material?
This tool belongs to indirect material.

Mold is an indirect material, which plays a very important role in the manufacturing process. A mold is a tool, usually made of metal, plastic or other materials, used to produce products similar in shape, size and appearance to the required products.

The use of molds can greatly improve production efficiency and reduce production costs. For some products that need mass production, molds are essential.