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any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives, casein materials, and proteins
plastic is made from petroleum
Plastics are made using the hydrocarbons from natural resources such as oil and natural gas and also other chemicals.
Plastics are produced by chemical bonding of monomers into polymers.
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