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Subsequent research showed that very few minorities or women were employed in the metalworking industry and that much of the workforce was nearing retirement age.
en.wikipedia.org As mines gave out in the 19th and 20th centuries, precious metalworking declined.
en.wikipedia.org The metal industry includes shipbuilding, metalworking, the car industry, engineered products such as motors and electronics, and production of metals (steel, copper and chromium).
en.wikipedia.org The rest of this article discusses metalworking swarf.
en.wikipedia.org They do this using many skills such as planishing as well as various other metalworking techniques, welding, use of putty fillers, and many more.
en.wikipedia.org