#movement.action_mechanism  the driving and regulating parts of a mechanism (as of a watch or clock); "it was an expensive watch with a diamond movement"
  supertype:  #action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
  part of:  #clock  a timepiece that shows the time of day
  part of:  #ticker__watch  a small portable timepiece

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