{
  "type": "tfc:welding",
  "first_input": {
    "item": "firmalife:metal/ingot/chromium"
  },
  "second_input": {
    "item": "firmalife:metal/ingot/chromium"
  },
  "tier": 2,
  "result": {
    "item": "firmalife:metal/double_ingot/chromium"
  }
}