(subclass Engine Transducer) | Mid-level-ontology.kif 1724-1724 | |
(subclass SteamEngine Engine) | Mid-level-ontology.kif 1748-1748 | |
(subclass Turbine Engine) | Mid-level-ontology.kif 1752-1752 | |
(subclass InternalCombustionEngine Engine) | Mid-level-ontology.kif 1760-1760 | |
(subclass ElectricMotor Engine) | Mid-level-ontology.kif 1779-1779 | |
(subclass OutboardEngine Engine) | Cars.kif 4336-4336 |