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[ KEYBOARD SWITCHES; MAGNETIC HEADS; ] INTEGRATED CIRCUITS; [ ELECTRONIC TUNERS; MODULATORS; RADIO FREQUENCY SWITCHES; ] CONNECTORS; [ LIGHT EMITTING MODULES; LIGHT RECEIVING MODULES; ] SENSORS; CIRCUIT BOARDS; [ RESISTORS; ] SWITCHES; [ CAPACITORS; ] COILS; [ CERAMIC FILTERS; DELAY LINES; ] TRANSFORMERS; POWER ADAPTERS [; AND DISC DRIVES ]