How to Make a Vertical Axis wind Turbine

Soon after my horizontal axis wind turbine project video went viral on YouTube I thought I should make another project on “make vertical axi...

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How to Make Spiral Copper Pipe Solar Water Heater

We have seen so many different types of solar water heaters. A spiral copper pipe solar water heater is the best choice if you want a contin...

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How to Make Parabolic Trough Solar Water Heater

After the successful completion of my spiral copper pipe solar water heater, I decided to make a parabolic trough solar water heater for my ...

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