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Plastics are a wide range of synthetic or semi-synthetic organic compounds used in the manufacture of industrial products. They are typically polymers of high molecular mass, and include thermoplastic and thermosetting polymers. Plastics are usually synthetic, most commonly derived from petrochemicals, but many are partially or fully biodegradable. They are usually non-toxic and non-flammable, and can be colored using pigments or dyes. Plastics are used in a vast array of applications, from packaging and construction materials to electronics and medical devices. They are valued for their versatility, durability, and low cost. However, their environmental impact, particularly in terms of waste and pollution, is a significant concern. Plastics can take hundreds of years to decompose, and their production contributes to greenhouse gas emissions. Efforts to mitigate these issues include recycling, developing biodegradable plastics, and promoting a circular economy.