Question 5: Choose the correct answer to the following question: What does 3R model mean?

Question 5: Choose the correct answer to the following question: What does 3R model mean? A. Using high quality materials, beautiful design, suitable form. B. Using materials with the goal of reducing, recycling, and reusing. C. Use materials that cause less environmental pollution. D. Using materials effectively, safely and economically. The answer is NO Use […]

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