Usually the digestive enzymes stay in one part of the pancreas. But if these enzymes leak into other parts of the pancreas, they can irritate it and cause pain and swelling. This may happen suddenly or over many years. Over time, it can damage and scar the pancreas.
Mustard was made in Dijon with hand-operated grinding mills until the middle of the 19th century, when one of the city's most famous sons, moutardier Maurice Grey, invented a steam-driven machine that could crush the seeds, remove the husks, and grind the remains to a fine powder in one operation.
Charles Goodyear, the man most associated with rubber, solved both problems in 1839 by adding sulfur, a process he called â vulcanization .â Rubber erasers first found their way onto pencils in 1858, but the US denied Hymen L. Lipman a patent for the combination because it simply joined two existing inventions.