The diagram explains a cyclical process whereby discarded plastic bottles are recycled and used to manufacture new consumer products. Overall, the procedure comprises three main stages, starting with collection and sorting, followed by further processing at the factory – pressing, shredding, and melting – and culminating in the production of new plastic goods. Notably, the process requires both special machinery and human intervention.
The process starts with the collection of unused plastic containers in a designated receptacle. Then a garbage truck delivers the material to a recycling plant, where the bottles are first sorted by hand into recyclable and non-recyclable.
In the next phase, the bottles are recycled. They are pressed into blocks so that they can be crushed using a special shredder. Once shredded, the plastic particles are then washed to remove impurities. After that, the plastic bits are loaded into a machine that turns them into plastic pellets. Finally, the pellets are heated to make raw plastic blocks.
In the final stage, the raw material – recycled plastic blocks – is used to manufacture new plastic containers and clothes. When these new products are discarded again, the whole process starts anew.
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