Light manufacturing, including metalsmithing, extrusion of small metal sections and plastics, welding, body building and repairing, plating, manufacturing or processing of beverages, confections, candy, baked goods, cream and all food products (exclusive of meat or fish packing); ceramics, apparel, plastics, electrical appliances and apparatus, furniture, hardware, plumbing supplies, tools, dies, patterns, scientific instruments, jewelry, time pieces, optical goods, photographic appliances and supplies, musical instruments, toys, cosmetics, tobacco products, drugs, signs, instruments. Nothing herein is intended to permit the actual manufacture of plastics or of tobacco products in this district.