Central processing unit (CPU) fans, internal cooling fans for computers, dust covers for computers, computer work stations comprised of computer, keyboard and mouse, computer firmware for use on database management, blank integrated circuit cards, integrated circuits, computer disk drives, data storage memories, namely, computer memory hardware, memory expansion modules, computer storage data memories, mainframe computers, computer carrying case, swappable tray computer hard disk drives, chip card readers, card readers, namely, integrated circuit card readers, compact flash card readers, secure digital card readers, extreme digital card readers, computer disk cases, blank removable computer hard disks, mouse and keyboard pads, arm rests for use with computers, computer interface cards for data processing equipment in the form of printed circuits, cash registers, audio signal processors, computer audio speakers, amplifiers, switches, namely, power switches, power supplies, uninterruptible power supplies, video cameras for use in security monitoring, closed circuit television monitors, computer hardware, hard disk drivers, compact disk drivers, computer joystick, computer networking hardware for broadband networks, CD cases, DVD cases, personal digital assistants, computer voice synthesizer, internet converter, computer interface boards, computer voltage internal computer cooling fans, computer voltage regulators for electric power, internal CPU( central processing unit) cooling fans, notebook computer cooling pads, hard disk converters, blank mobile computer hard disks and blank external computer hard disk, mobile computer racks, mounting racks for computer hardware