| (subclass HeatingDevice Device) | Mid-level-ontology.kif 2277-2277 | |
| (subclass Oven HeatingDevice) | Mid-level-ontology.kif 2289-2289 | |
| (subclass Stove HeatingDevice) | Mid-level-ontology.kif 2302-2302 | |
| (subclass FabricIron HeatingDevice) | Mid-level-ontology.kif 25109-25109 | |
| (subclass WaterHeater HeatingDevice) | Mid-level-ontology.kif 25592-25592 | |
| (subclass RoomHeater HeatingDevice) | Mid-level-ontology.kif 26756-26756 |
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