840-38 - Monitors, Television
803-40 - Microphones and Related Equipment (Wireless Systems): Chestsets, Earphones, Handsets, Headphones, etc.
840-55 - Switchers, Audio and Video
206-89 - Storage Devices, Electronic (Disk Drive Compatible)
450-07 - Battery Chargers
803-80 - Speakers and Accessories: Drivers, Enclosures, Grilles, Grille Cloth, etc.
209-12 - Application Software, Mainframe Computer (Incl. Cobol)
840-24 - Cable or Community Television Equipment and Hardware
204-48 - Keyboards
204-53 - Microcomputers, Desktop or Tower based