In 1954, Italian inventor Carlo Vanoni swelled with patriotic pride when he learned that his fellow countrymen had summited K2, the second-tallest mountain in the world. He was so proud, in fact, that he started naming all his formulas after it: K2a, K2b, K2c, and on down the alphabet. K2r turned out to be his biggest hit—it became K2r Spotlifter, a household cleaner that erases greasy stains from car seat upholstery and delicate silk shirts alike.
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