Go to any site that deals with auto mechanics and chances are you will find a debate over WD-40 – Is it a solvent or a lubricant? Actually, it is a little bit of both.
Originally designed as a Water Displacement product (40th formula) by Norm Larsen in 1953, WD-40 has never been patented; primarily so the actual formula could remain secret.
This miracle in a spray can has hundreds of uses far beyond what is listed on the packaging – everything from bug spray to stain remover. Some even swear it helps their arthritis!
For a list of some of the uses, check this article from Readers Digest.
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