#sprinkler_system__sprinklersystem  a system for extinguishing fires; water from a network of overhead pipes is released through nozzles that open automatically with the rise in temperature
  supertype:  system.instrumentality__unit  instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the unit consists of a motor and a small computer"
  part:  nozzle__nose  a projecting spout from which a fluid is discharged

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