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Aldi introduces traffic light queueing system to limit number of customers in stores | The Independent | The Independent
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WIMBLEDON LONDON,UK 13 October 2020. A Tesco supermarket branch in Wimbledon installs an automated traffic light system to regulate the number of shoppers who can enter at any one time and count
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Traffic light system for classroom discipline. Use Velcro dots to attach cars to "road". | School door decorations, School themes, Road trip theme
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