#typewriter  hand-operated character printer for printing written messages one character at a time
  supertype:  #character_printer__characterprinter__character-at-a-time_printer__serial_printer  a printer that prints a single character at a time
  subtype:  #electric_typewriter  #portable
  part:  #carriage  a machine part that carries something else
  part:  #keyboard  device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
     part:  #action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
        part:  #key.lever  a lever that actuates a mechanism when depressed
  part:  #typewriter_ribbon__ribbon  a long strip of inked material for making characters on paper with a typewriter
  part:  #typewriter_carriage  a carriage for carrying a sheet of paper
  part:  #typewriter_keyboard  a keyboard for manually entering characters to be printed
     part:  #space_bar__spacebar  the bar-shaped typewriter key that introduces spaces when used

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