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The Weekend Leader - Grey Dhaka develops Eco Cooler in collaboration with Grameen Intel Social Business Limited
eco-cooler - the worlds first ever zero-electricity air conditioner made out of plastic bottles - The Hindu
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Zero Electricity Air Cooler - "Eco-Cooler (board)" by Cannes Lions International Festival of Creativity 2016
6 Simple Steps To Make Your Own Non-electric Air-conditioner For Free(photos)! - Nairaland / General - Nigeria
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