Manufacturing, compounding, assembling, or treatment
of articles or merchandise from previously prepared materials such
as bone, cloth, fur, cork, fibre, canvas, leather, cellophane, paper,
glass, plastics, horn, stone, shells, tobacco, wax, textiles, yarns,
wood and metals, including light steel or other light metal, light
metal mesh, pipe, rods, shapes, strips, wire or similar component
parts.