{
  "type": "create:filling",
  "ingredients": [
    {
      "item": "firmalife:treated_wood"
    },
    {
      "amount": 250,
      "fluidTag": "forge:creosote",
      "nbt": {}
    }
  ],
  "results": [
    {
      "item": "tfmg:hardened_planks"
    }
  ]
}