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Manufacturing Ice

Damian Renzello (left) of Vermont and G.G. Thomas of Cathedral City check cooling tubes at the Ice Garden skating rink in Cathedral City before the water freezes. A 7.5-horsepower motor pumps the chemical glycol, similar to antifreeze, through the tubes from a 50-ton compressor and chilling barrel. Renzello invented this portable kit for building ice rinks.

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