Photographic equipment and supplies 5044 Office equipment 5045 Computers, peripherals & software 5046 Commercial equipment, n.e.c. 5047 Medical and hospital equipment 5048 Ophthalmic goods 5049 Professional equipment, n.e.c. 5050 Metals and minerals, except petroleum 5051 Metals service centers and offices 5052 Coal and other minerals and ores 5060 Electrical goods 5063 Electrical apparatus and eq