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Liquid propane is passed through a refrigerator's expansion valve and evaporator on its way to a gas appliance.
The floatation device floats around the edge of the pool producing heat that circulates around the pool evenly
I have sold my invention, the (Samson) Electron Battery Accelerator due to the listing on IdeaConnection. Thanks, was a great place for exposure to the public!
– Ken F.
My Egg Cracker invention is now under licence in the United States, thanks to my listing on your inventions page.
– John O.