For ease of sorting for recycling, all plastic products are now identified with a triangular symbol with

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For ease of sorting for recycling, all plastic products are now identified with a triangular symbol with a single-digit number at its center and two or more letters under it. Explain what these numbers indicate and why such symbols are used?

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Manufacturing Processes for Engineering Materials

ISBN: 978-0132272711

5th edition

Authors: Serope Kalpakjian, Steven Schmid

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Question Posted: Jul 18, 2016 09:14 AM

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Manufacturing Processes for Engineering Materials

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