'Reverse vending machines' in Singapore dispense grocery coupons in return for used bottles, cans
'Reverse vending machines' in Singapore dispense grocery coupons in return for used bottles, cans
Plastic bottles and drink cans can now be exchanged for coupons at a “reverse vending machines” in Singapore. They are being rolled out to encourage recycling. The machines — which can take up to 600 [More]
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