The manufacture, compounding, assembling, or treatment of articles or merchandise from previously prepared materials such as, but not limited to, bone, canvas, cellophane, cloth, cork, feathers, felt, fiber, fur, glass, hair, horn, leather, paper, plastics, precious or semiprecious metals or stones, sheet metal (excluding large stampings, such as automobile fenders or bodies), shell, textiles, tobacco, wax, wire, wood (excluding saw and planing mills), and yarns;