(subclass MaterialHandlingEquipment Device) | Mid-level-ontology.kif 2462-2462 | Material handling equipment is a subclass of device |
(subclass Crane MaterialHandlingEquipment) | Mid-level-ontology.kif 2468-2468 | Crane is a subclass of material handling equipment |
(subclass HoistingDevice MaterialHandlingEquipment) | Mid-level-ontology.kif 2480-2480 | Hoisting device is a subclass of material handling equipment |