#pump  a mechanical device that moves fluid or gas by pressure or suction
  supertype:  mechanical_device  mechanism consisting of a device that works on mechanical principles
  subtype:  air_pump  aspirator  auxiliary_pump  bicycle_pump  bilge_pump  centrifugal_pump  force_pump  gas_pump  grease-gun  hand_pump  heart-lung_machine  hydraulic_pump  lift_pump  oil_pump  stirrup_pump  suction_pump  water_pump
  part:  piston_chamber
  part of:  engine_cooling_system__cooling_system__coolingsystem  equipment in a motor vehicle that cools the engine
     part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails
  part of:  fuel_system  equipment in a motor vehicle or aircraft that delivers fuel to the engine
     part of:  aircraft  a vehicle that can fly
     part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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