#cooling_system__coolingsystem__cooling  a mechanism for keeping something cool; "the cooling was overhead fans"
  supertype:  mechanism  device consisting of a piece of machinery; has moving parts that perform some function
  part:  water_pump
  subtype:  air-conditioner__airconditioner__air-conditioning__airconditioning  a system that keeps air cool and dry
  subtype:  coolant_system__coolantsystem  a cooling system that uses a fluid to transfer heat from one place to another
  subtype:  cooling_tower__coolingtower  a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant
  subtype:  evaporative_cooler__evaporativecooler  a cooing system that cools by evaporation
  subtype:  refrigeration_system__refrigerationsystem  a cooling system for chilling or freezing (usually for preservative purposes)

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