{
  "type": "forge:conditional",
  "recipes": [
    {
      "conditions": [
        {
          "value": {
            "tag": "forge:ingots/nickel",
            "type": "forge:tag_empty"
          },
          "type": "forge:not"
        }
      ],
      "recipe": {
        "type": "tconstruct:ore_melting",
        "ingredient": {
          "tag": "forge:ores/iron"
        },
        "result": {
          "fluid": "tconstruct:molten_iron",
          "amount": 144
        },
        "temperature": 1538,
        "time": 90,
        "byproducts": [
          {
            "fluid": "tconstruct:molten_nickel",
            "amount": 48
          }
        ]
      }
    },
    {
      "conditions": [
        {
          "value": {
            "tag": "forge:ingots/copper",
            "type": "forge:tag_empty"
          },
          "type": "forge:not"
        }
      ],
      "recipe": {
        "type": "tconstruct:ore_melting",
        "ingredient": {
          "tag": "forge:ores/iron"
        },
        "result": {
          "fluid": "tconstruct:molten_iron",
          "amount": 144
        },
        "temperature": 1538,
        "time": 90,
        "byproducts": [
          {
            "fluid": "tconstruct:molten_nickel",
            "amount": 48
          }
        ]
      }
    }
  ]
}