Construisez une puissante éolienne chez vous avec des outils simples ! Éolienne de nouvelle technolo
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Building a 1kW Wind Turbine For Under £100 - Part 1 - The Rotor
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I don't have to worry about power outages anymore! Great idea from PVC pipe!
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Millions of people don't know about this homemade tool
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Construction Workers Can't Believe This Technique Works - Most Ingenious Construction Technologies
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Harness the Power of Nature: Build Your Own Wind Turbine for Free Electricity
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ABSOLUTELY HUGE Magnetic Induction Heater! Using 100 Spinning Neodynium Magnets And A Bucket
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Never buy new Batteries! Just use SALT and your Old Batteries can be reused
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