WD-40

WD-40 is the trademark Trademark

A trademark, trade mark, or is a distinctive sign [i] of some kind which is ... 

 of a widely used penetrating oil developed in 1953 by Norm Larsen, then working for the Rocket Chemical Company, to eliminate water and prevent corrosion on electrical circuitry. It is widely considered a "miracle liquid" by householders around the world because of its vast number of uses, which number in the thousands.

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WD-40 is the trademark Trademark

A trademark, trade mark, or is a distinctive sign [i] of some kind which is ... 

 of a widely used penetrating oil developed in 1953 by Norm Larsen, then working for the Rocket Chemical Company, to eliminate water and prevent corrosion on electrical circuitry. It is widely considered a "miracle liquid" by householders around the world because of its vast number of uses, which number in the thousands.
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