This industry comprises establishments primarily engaged in the merchant wholesale distribution of durable goods (except motor vehicle and motor vehicle parts and supplies; furniture and home furnishings; lumber and other construction materials; professional and commercial equipment and supplies; metals and minerals (except petroleum); electrical goods; hardware, and plumbing and heating equipment and supplies; machinery, equipment and supplies; sporting and recreational goods and supplies; toy and hobby goods and supplies; recyclable materials; and jewelry, watches, precious stones and precious metals). Illustrative Examples: Musical instruments merchant wholesalers Prerecorded audio and video tapes and discs merchant wholesalers Phonograph records merchant wholesalers Prerecorded compact discs (CDs) and digital video discs (DVDs) merchant wholesalers Prerecorded audio and video cassettes merchant wholesalers Timber and timber products (except lumber) merchant wholesalers Cross-References. Establishments primarily engaged in-- ? Merchant wholesale distribution of automobiles and other motor vehicles, motor vehicle supplies, tires, and new and used parts--are classified in Industry Group 4231, Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of furniture and home furnishings--are classified in Industry Group 4232, Furniture and Home Furnishing Merchant Wholesalers; ? Merchant wholesale distribution of lumber, plywood, millwork, wood panels, brick, stone, roofing, siding, and other nonelectrical construction materials--are classified in Industry Group 4233, Lumber and Other Construction Materials Merchant Wholesalers; ? Merchant wholesale distribution of photographic; office; computer and computer peripheral; medical, dental, hospital, ophthalmic; and other commercial and professional equipment and supplies--are classified in Industry Group 4234, Professional and Commercial Equipment and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of coal and other minerals and ores and semifinished metal products--are classified in Industry Group 4235, Metal and Mineral (except Petroleum) Merchant Wholesalers; ? Merchant wholesale distribution of electrical goods--are classified in Industry Group 4236, Electrical and Electronic Goods Merchant Wholesalers; ? Merchant wholesale distribution of hardware; and plumbing, heating, air conditioning, and refrigeration equipment and supplies--are classified in Industry Group 4237, Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of construction, mining, farm, garden, industrial, service establishment, and transportation machinery, equipment and supplies--are classified in Industry Group 4238, Machinery, Equipment, and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of sporting goods and accessories; billiard and pool supplies; sporting firearms and ammunition; and/or marine pleasure craft, equipment, and supplies--are classified in Industry 423910, Sporting and Recreational Goods and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of toys, fireworks, playing cards, hobby goods and supplies and/or related goods--are classified in Industry 423920, Toy and Hobby Goods and Supplies Merchant Wholesalers; ? Merchant wholesale distribution of automotive, industrial, and other recyclable materials--are classified in Industry 423930, Recyclable Material Merchant Wholesalers; and ? Merchant wholesale distribution of jewelry, precious and semiprecious stones, precious metals and metal flatware, costume jewelry, watches, clocks, silverware, and/or jewelers' findings--are classified in Industry 423940, Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers.