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  1. Recycling Basics and Benefits | US EPA

  2. Recycling | Definition, Processes, & Facts | Britannica

  3. The U.S. Recycling System | US EPA

  4. Step by Step Process of Recycling Plastic - Greentumble

  5. Recycling - Wikipedia

  6. Understanding How Recycling Works to Recycle More and Use …

  7. Recycling Basics | Reduce, Reuse, Recycle | US EPA

  8. How Recycling Works - HowStuffWorks

  9. What is Recycling? The Ultimate Guide to Recycling - ecowworld

  10. Frequent Questions on Recycling | US EPA - U.S. Environmental ...