While you might be under the impression that plastic is just plastic, there are many different types of plastics created from many different types of polymers. Thermoplastic, for example, is a polymer that is easy to mold when it is heated to a specific temperature. This type of plastic is used for virtually all of the plastic packaging we see on store shelves, from the clamshells that hold strawberries to the blister packs that hold individual tablets of cold medicine to packages of batteries. But many more items are created using different thermoplastic polymers.
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