Manufacture, compounding, assembling or treatment of articles of merchandise from the following previously prepared materials: Bone, broom corn, cellophane, canvas, cloth, cork, feathers, felt, fibre, fur, glass, hair or bristles, horn, leather, paper, plastics or plastic products, precious or semi-precious metals or stones, shell, textiles, tobacco, wax (paraffin, tallow, etc.), wood (excluding sawmill or planing mill), yarns, paint (not employing a boiling process);