The process is possible only with certain materials (plastics, resins and metals) and with a precision of around a tenth of a millimeter.

这个过程只能用特定的材料（塑料，树脂和金属），精度在0.1毫米左右。

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Nonmetallic materials are those materials such as woods, plastics, rubbers, epoxy resins, ceramics and diamonds that do not have a metallic base.

非金属材料是指如木头，塑料，橡胶，环氧树脂，陶瓷及金刚石等那些不含有金属基材的材料。

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The phenol resins and plastics were the original synthetic thermosetting materials.

酚树脂和塑料是原始的热硬化性合成材料。

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But its biggest and most controversial application is as a hardener for making polycarbonate plastics and epoxy resins the materials of choice for manufacturing clear, shatter-proof bottles, spectacles, medical devices and CDs as well as dental coatings and linings for food cans.

ECONOMIST: The plastics industry��s Pyrrhic victory