; (II) a non-ferrous building material, including— (aa) aluminum and polyvinylchloride; (bb) glass; (cc) fiber optics; (dd) plastic; (ee) wood; (ff) masonry; (gg) rubber; (hh) manufactured stone; and (ii) any other non-ferrous metals; and (III) any unmanufactured construction material. (ii) Produced in the united states (I) In general The term produced in the United States — (aa) with respect to an iron or steel product or an iron or steel manufactured product, means that all manufacturing processes for, and materials and components of, the iron or steel product or iron or steel manufactured product, from the initial melting stage through the application of coatings, occurred in the United States; and (bb) with respect to an iron or steel manufactured product, means that— (AA) the iron or steel manufactured product was manufactured in the United States; and (BB) the cost of the components of the iron or steel manufactured product that were mined, produced, or manufactured in the United States is greater than 60 percent of the total cost of the components of the iron or steel manufactured product. (II) Exclusions The term produced in the United States , with respect to an iron or steel product or an iron or steel manufactured product, does not include an iron or steel product or an iron or steel manufactured product the materials and components of which were manufactured— (aa) abroad from semi-finished steel or iron from the United States