#push_button__push__button  an electrical switch operated by pressing a button; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk"
  supertype:  #switch__switch_device  control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
  subtype:  #bell_push  #doorbell  #horn_button  #mouse_button  #reset_button
  part of:  #push-button_radio  a radio receiver that can be tuned by pressing buttons

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