{
  "type": "thermal:smelter",
  "ingredients": [
    {
      "value": [
        {"item": "minecraft:sponge"}
      ],
      "count": 1
    },
    {
      "value": [
        {"item": "functionalstorage:diamond_upgrade"}
      ],
      "count": 1
    }
  ],
  "result": [
    {
      "item": "functionalstorage:netherite_upgrade",
      "count": 1
    }
  ],
  "energy": 50000
}