Remove 3 letters from this seq...
Remove 3 letters from this sequence (WEAPPOIWNS) to reveal a familiar English word.Correct answers: 69
The first user who solved this task is Manguexa Wagle.
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Zinc extractionIn 1857, a U.S. patent (#16,362), which was the country's first patent related to zinc ore was issued to Samuel Wetherill, Bethlehem, Pa. |