| { | |
| "contact_points": [ | |
| { | |
| "id": 0, | |
| "description": "On the hammer handle", | |
| "usage": " Used to grasp the hammer with the left or right arm." | |
| } | |
| ], | |
| "functional_points": [ | |
| { | |
| "id": 0, | |
| "description": "On the hammer head", | |
| "usage": " Used to hit the block on the table." | |
| } | |
| ] | |
| } |