{ "index": { "type_name": "default", "entity": "UPB_00000021", "label": "19" }, "part_level": { "part_name": "Top Slide Rail C", "affordance": 9, "graspable": false, "basic_description": "Short steel rail mounted on the upper inner right side.", "functional_description": "Auxiliary guide/hardware piece.", "movement_description": "Fixed to carcass.", "grasp_description": "Hidden; not touched." }, "basic_info": { "material": "metal/Steel_Q235", "density": 7.85, "young": 200, "hardness": 140, "poisson": 0.3, "friction": 0.37 }, "kinematic_info": { "motion_types": [ "D" ], "motion_info": {} } }