{
  "recipe": {
    "inputs": [
      { "original:ore_copper": 1 },
      { "original:ore_coal": 1 }
    ],
    "output": {
      "original:ingot_copper": 1
    },
    "time_seconds": 15,
    "requires": {
      "original:forging": 0
    }
  },
  "craft": {
    "type": "original:forging",
    "id": "original:ingot_copper"
  }
}