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Find number abc

If 986cb + 39b5b = a38384 find number abc. Multiple solutions may exist.

Correct answers: 12

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Doing Nothing

Wife: Whatcha doing?
Me: Nothing.
Wife: You did that yesterday.
Me: I wasn't finished.

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Gas Mask

In 1849, the forerunner of modern gas masks is patented by Lewis Phectic Haslett of Louisville, Ky. His "inhaler or lung protector" design used woolen fabric (or other porous material) to filter dust and other material from the air (U.S. No. 6,529).

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