(subclass PhysicalSystem Physical) | Merge.kif 6122-6122 | |
(subclass TransitSystem PhysicalSystem) | Transportation.kif 2854-2854 | |
(subclass AutoSuspensionSystem PhysicalSystem) | Cars.kif 717-717 | |
(subclass Automobile PhysicalSystem) | Cars.kif 836-836 | |
(subclass BrakeSystem PhysicalSystem) | Cars.kif 1230-1230 | |
(subclass HydraulicCylinder PhysicalSystem) | Cars.kif 1603-1603 | |
(subclass EngineCoolingSystem PhysicalSystem) | Cars.kif 2118-2118 | |
(subclass AutomobileExhaustSystem PhysicalSystem) | Cars.kif 2588-2588 | |
(subclass AutomobileIgnitionSystem PhysicalSystem) | Cars.kif 3180-3180 |