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WD40 stands for Water Displacer 40th attempt. Displacing water in, for example, the electrical connector between truck and trailer on snowy slushy days. All the log truck drivers up here keep a can in the cab. That is what it’s really good for.
One way to clean the threads is to wrap a cord around the screw and spin it from one end to the other if you can get at it.
One way to clean the threads is to wrap a cord around the screw and spin it from one end to the other if you can get at it.