| http://www.w3.org/ns/prov#value | - The 14th mode of the present invention is a method of reusing a plastic material, characterized in that a part is molded from a plastic material, the molded part is used as a part after a laser engraving display is formed on the molded part, a recycled plastic material is formed through steps of pulverization, cleaning, drying, and foreign matter removal of the part, and an impact strength of the
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