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I would add that if you only focus on finished products (airplanes, chips, cars) you're leaving important things out. These industries will need new materials to keep improving the efficiency and durability, etc., of their products. As we keep offshoring steel (and other metals) production, as well as other material inputs, we will not be able to innovate the new materials that will be needed. The world isn't done innovating stainless steel for instance. Like chips or planes or cars, if you don't make it, you'll lose your ability to engineer new forms of it. It's not just about finished products.

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