#inner_tube__innertube  an inflatable rubber tube that fits inside the casing of a pneumatic tire
  supertype:  #tubing__tube  conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct liquids or gases
  part of:  #pneumatic_tire__pneumatictire__pneumatic_tyre__pneumatictyre  a tire made of reinforced rubber and filled with compressed air; used on motor vehicles and bicycles etc
     part of:  #bicycle_wheel__bicyclewheel  the wheel of a bicycle
        part of:  #bicycle__bike__wheel  a cycle that has two wheels; moved by foot pedals
     part of:  #car_wheel__carwheel  a wheel that has a tire and rim and hubcap; used to propel the car
        part of:  #motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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