Heyy , I need a help! There's a competition in my school in which we have to invent new things that is common around us and the world needs. So please help me get ideas.
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how about streetlights running on solar energy its not new but if u want something simple I would go for it. or the machine to deal with waste management.
akankshaprjpt:
thanks! for your suggestion... If I truly say I was also thinking about global warming and waste dealing
ur welcome lol best of luck
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windmills also drawing water..may b fr irrigation
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