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ingoldsb 26/09/2020
These gadgets are amazing. Apply current and one side gets hot and the other cool. They are like magic. Reverse the current and the hot/cold sides swap. I bought them to replace a failed unit in a yoghurt maker we have the first heats and then cools the yoghurt. I have a couple of spares and am trying to think of applications for these amazing gizmos.
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