Plastic-Recycling
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I- Introduction:<br />
2<br />
• <strong>Plastic</strong> is among the most popular and important<br />
materials used in the modern world. The basic raw<br />
materials of plastic are petroleum and gas, we can<br />
optimize the lifespan of plastics by recycling and<br />
reusing them.<br />
• <strong>Plastic</strong> recycling refers to the process of recovering<br />
waste and scrap plastic and reprocessing it into useful<br />
product. But many plastic product is nonbiodegradable,<br />
it's necessary to protect and clean<br />
environment
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