(subclass FluidPowerDevice EngineeringComponent) | engineering.kif 737-737 | Fluid power device is a subclass of engineering component |
(subclass FluidCylinder FluidPowerDevice) | engineering.kif 907-907 | Fluid cylinder is a subclass of fluid power device |
(subclass Valve FluidPowerDevice) | engineering.kif 913-913 | Valve is a subclass of fluid power device |
(subclass Faucet FluidPowerDevice) | engineering.kif 932-932 | Faucet is a subclass of fluid power device |