Which famous consumer product was originally developed during WWII by the Pal-Wahl Clipper Corporation for the U.S. military to help soldiers clean their weapons in the field?

Throughout military history, certain products and innovations have completely transformed warfare and later found their way into civilian life. This trivia challenges your knowledge about the origins of famous military products that had profound impacts on both the battlefield and consumer markets. Test your understanding of how military necessity drove product design and innovation that we still see evidence of today.

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WD-40
Q-tips
Zippo lighter
Duck tape (later known as duct tape)