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Coppersmithing as a trade benefited strongly from the invention of sheet metal rollers. Copper sheet was then available in a much more versatile and easy form for creating copper wares. By the 1700s, coppersmiths lived in the American colonies, but did not have access to much sheet copper due to the British Crown's regulation of copper and other goods to the Americas. Sheet metal production was prohibited in the colonies as well before the American Revolution.