These two products can be made of either softwood or hardwood, depending on the manufacturer. Again, the U.S. manufactures and exports its share of these products. In 2003, the U.S. produced over ...

This includes softwood products like framing lumber and plywood ... Drywall products used in the U.S. are made of gypsum, a mined mineral product. The U.S. is the world’s largest gypsum producer ...