#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
  part of:  #push-button_radio
  subtype:  #bell_push  a button that is pushed to ring a bell
  subtype:  #doorbell__bell__buzzer  a push button at an outer door that gives a ringing or buzzing signal when pushed
     subtype:  #night_bell__nightbell  a doorbell to be used at night
  subtype:  #horn_button  a button that you press to activate the horn of an automobile
  subtype:  #mouse_button__mousebutton  a push button on the mouse
  subtype:  #reset_button__resetbutton  a push button that you press to activate the reset mechanism

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