Manufacturing, assembling, compounding, packaging, crating and processing of articles or merchandise from the following previously prepared materials: bone, canvas, cellophane, cellulose, cloth, cork, feathers, felt, fiber and synthetic fiber, fur, glass, hair, horn, leather, paint (not employing a boiling process), paper, plastics, precious or semi-precious metals or stones, rubber and synthetic rubber, shell, straw, textiles, tobacco and wood;