[{"id": 41, "name": "Escala", "is_obligatory": true}, {"id": 44, "name": "Tracci\u00f3n", "is_obligatory": false}, {"id": 46, "name": "Sistema Control", "is_obligatory": false}, {"id": 31, "name": "Estado.", "is_obligatory": true}, {"id": 32, "name": "Embalaje", "is_obligatory": false}, {"id": 40, "name": "Librea/Color", "is_obligatory": false}]