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Definition.com

WD-40 is wrench dressing

Definition.com

WD-40 is robot lube

Trivia.com

WD-40 stands for ‘Water Displacement, 40th formula.’

Trivia.com

WD-40 has never been patented as patenting would force them to disclose their recipe

Definition.com

WD-40 is mechanic cologne

Definition.com

WD-40 is lube for screwing

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