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Four things you should never use WD-40 on

WD-40 is a legendary water displacer, but it isn't a universal fix. Using it on the wrong surface can lead to mechanical ...
WD-40 isn't just for squeaks. In winter conditions, it can help protect certain car parts, but only if you know how to use it ...
Rust attacks steel — household and garden tools, vehicles, boats … the list is endless. When applied regularly, rust prevention sprays do a great job of stopping the problem before it gets started, ...
WD-40 is the miracle spray, and it has thousands of different uses. What are some ways to use it that would allow you to save ...