Overnight Success: WD-40

The ubiquitous WD-40 lubricant is a product invented right here in San Diego. It got its name because the first 39 experiments failed. WD-40 literally stands for “Water Displacement–40th Attempt.”

I have written about WD-40 before here in this blog.

If they gave up early on like most of us do, we would have a lot more squeaky hinges in the world.

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