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The really novel thing about those vending machines is that they do both hot and cold drinks. A vending machine technician realised that the hot side of the ref
by extraduder_ire 2y ago
The really novel thing about those vending machines is that they do both hot and cold drinks. A vending machine technician realised that the hot side of the refrigeration unit could be used for something practical rather than just disposing of the heat through a radiator.