#radiator.heater  heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
  supertype:  heater__warmer  device that heats water or supplies warmth to a room
  part of:  heating_system__heatingsystem__heating_plant__heatingplant__heating__heat  utility to warm a building; "the heating system wasn't working"; "they have radiant heating"
     part of:  edifice__building  a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"

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