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Posted by ESC on May 21, 2003

What DOES WD-40 mean?

WD-40 - "Trying to concoct a missile-part degreaser, Rocket Chemical techs mix 39 duds. But 'Water Displacement, Perfected on the 40th Try' works so well that employees sneak it home for all kinds of uses. So Rocket starts selling cans." Reader's Digest salute to innovations that were "born" in 1953. June 2003.