By MS on 27 settembre 2011 — 1 min read

WD-40 was created by three engineers at a fledgling aerospace outfit in San Diego with the awesome name, “Rocket Chemical Company.” It took them 40 attempts to perfect the formula, the current head of innovation at WD-40 noted last week, and that’s why the product is called WD-40. Water Displacement, number 40.

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