[
  {
    "id": 1,
    "category": "Rice residues",
    "materials": "Rice husks and rice straw",
    "source_page": 22
  },
  {
    "id": 2,
    "category": "Corn residues",
    "materials": "Corn cobs and corn stalks",
    "source_page": 22
  },
  {
    "id": 3,
    "category": "Plantation residues",
    "materials": "Coconut shells and palm oil EFB (empty fruit bunches)",
    "source_page": 22
  },
  {
    "id": 4,
    "category": "Wood waste",
    "materials": "Sawdust, twigs and wood offcuts",
    "source_page": 22
  },
  {
    "id": 5,
    "category": "Crop residues",
    "materials": "Cassava stalks, coffee husks, bamboo",
    "source_page": 22
  },
  {
    "id": 6,
    "category": "Other residues",
    "materials": "Cocoa pod husks, sugarcane bagasse",
    "source_page": 22
  }
]