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Re: blue boxes chipped, old or new news?
Ages ago when my daughter came home from school with a pledge form - the council promising something to schools for the number of people each pupil could convert to recycling - I asked the blue box collecting man how they would know who was or wasn't participating and he showed me the circular device under the rim of the blue box. He said it was just for monitoring who was recycling so they knew which school they had made the pledge to.
I hope that makes sense.
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