The manufacture, compounding, processing, packaging
or treatment of the following previously prepared materials: bone,
cork, feathers, cellophane, ceramics, felt, fur, glass, hair, horn,
paper, pharmaceuticals, plastics, shells, iron and steel, aluminum,
leather, plaster, metals, precious and/or semiprecious stones, wood,
yarns, containers or novelties from paper or cardboard, natural or
synthetic rubber, tobacco, textiles or textile products and perfumes.