(subclass PhysicalSystem Physical) | Merge.kif 6121-6121 | |
(subclass TransitSystem PhysicalSystem) | Transportation.kif 2821-2821 | |
(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 1598-1598 | |
(subclass EngineCoolingSystem PhysicalSystem) | Cars.kif 2135-2135 | |
(subclass AutomobileExhaustSystem PhysicalSystem) | Cars.kif 2605-2605 | |
(subclass AutomobileIgnitionSystem PhysicalSystem) | Cars.kif 3195-3195 |