explain the effect of following materials on environment and human health
1. plastic
2. glass
3. thermocol
answer the following
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plastic is Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects. Wikipedia
Did you know: High grade plastics meet the same requirements as metal alloys, but at a fraction of
Did you know: High grade plastics meet the same requirements as metal alloys, but at a fraction of
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