{
  "type": "create:compacting",
  "heat_requirement": "heated",
  "ingredients": [
    {
      "item": "minecraft:iron_ingot"
    },
    {
      "item": "minecraft:coal"
    }
  ],
  "results": [
    {
      "id": "tfmg:cast_iron_ingot"
    }
  ]
}