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COMPUTER KEYBOARDS; MAGNETIC CODED CARD READERS; COMPUTER MOUSE; COMPUTER MEMORIES; CENTRAL PROCESSING UNITS; COMPUTER DISC DRIVES; FIBER OPTICS; TELEPHONES; CELLULAR TELEPHONES; ANTENNAS; ELECTRIC CIRCUIT BOARDS FOR NOISE ISOLATION; MODEMS; ELECTRICAL CONDUCTORS; COMPUTER MONITORS; TRANSCEIVERS; LOCAL AREA NETWORK COMPUTER DEVICES, NAMELY, NETWORK CONTROLLERS AND PRINTED CIRCUIT BOARDS; COMPUTER INTERFACE BOARDS; ELECTRIC SWITCHES; ELECTRIC PLUGS; ELECTRIC CONNECTORS; ELECTRIC POWER SUPPLIES; UNINTERRUPTED ELECTRIC POWER SUPPLIES; BATTERY CHARGERS; ELECTRIC TRANSFORMERS; VOLTAGE REGULATORS FOR ELECTRIC POWER; VOLTAGE SURGE PROTECTORS; ELECTRICAL DISSIPATING FANS; AND CURRENT COLLECTORS