Induction cooktops are the best
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I bet few here know how induction has revolutionized the field of mechanics. You can heat ferrous metal to white hot in a minute or two without setting fire to combustible material around the target. I use it to free frozen nuts and bolts and to bend iron rod. Not a replacement for the old acetylene torch set up, but induction is my ‘go to’ tool for cheaply and quickly heating anything that’s round, that I can get the wire coil around.
OK, as one who needs to free frozen bolts occationally, where and what are these induction things.
I can’t put my bolt on the kitchen stove I think.