#utility.installation  a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal: "the price of the house included all utilities"
  supertype:  #installation__facility  a building or place that provides a particular service or is used for a particular industry; "the assembly plant is an enormous facility"
  subtype:  #electrical_plant__electrical_system  utility that provides electricity
  subtype:  #heating_system__heatingsystem__heating_plant__heatingplant__heating__heat  utility to warm a building; "the heating system wasn't working"; "they have radiant heating"
     subtype:  #central_heating__centralheating  a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators
     subtype:  #gas_heat__gasheat  heating system that burns natural gas
     subtype:  #panel_heating__panelheating  heating system consisting of wall or floor or baseboard or ceiling panels containing electric conductors or heating pipes
     subtype:  #steam_heat__steamheat__steamheating  a heating system in which steam is generated in boilers and piped to radiators
  subtype:  #plumbing_system__plumbingsystem__plumbing  utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage

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