#slot_machine__coin_machine  a machine that is operated by the insertion of a coin in a slot
  supertype:  machine  any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
  part:  coin_box  coin_slot
  subtype:  one-armed_bandit__onearmedbandit__slot  a slot machine that is used for gambling; "they spend hours and hours just playing the slots"
  subtype:  vending_machine__vendingmachine  a slot machine for selling goods
     subtype:  automat.vending_machine  a vending machine from which you can get food

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