Why is plastic transparent? - Quora

Why don't we make appliances and stuff out of one singular material (all metal, all plastic, all glass, etc.) to make it easier to recycle? - Quora

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What are the advantages of a plastic water tank? - Quora

What are those clear plastic boxes called? The ones with gloves that scientists stick their hands into and do experiments in? - Quora

What is plastic? - Quora

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Why is plastic transparent? - Quora

Why are transparent materials visible to us? - Quora

What are the characteristics of glass fiber reinforced plastics? - Quora

Why are some plastics transparent, but others are translucent and opaque? - Quora

Why does gasoline melt through ordinary plastic containers? - Quora