Returnable bottles and xiros®? What ball bearings can do in reverse vending machines

Patrick Czaja | 15. June 2021

Every normal household in Germany has the problem: plastic bottles pile up and have to be taken to a nearby supermarket. With all the bottles in tow, you head straight to the reverse vending machine, get a receipt, and continue shopping. But close observation reveals a great deal of technology behind the reverse vending machine […]

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