Vladimír L

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Vladimír L
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A hydroelectric generator barrel is a spinning water wheel that floats on the water surface and turns in the current. The spinning motion drives permanent magnet generators inside. It could generate enough power to light banks of LEDs and light up bridges, buoys, or even charge mobile devices in off-grid areas.

A hydroelectric generator barrel is a spinning water wheel that floats on the water surface and turns in the current. The spinning motion drives permanent magnet generators inside. It could generate enough power to light banks of LEDs and light up bridges

How to build your own wood-fired hot tub.

DIY: Make Your Own Hot Tub How to build your own wood-fired hot tub.It’s not the easiest job, but building your own wood-fired hot tub can save you thousands of dollars if you’re willing to dig a hole and learn some basic concrete skills.