{
  "values": [
	{
      "id": "minecraft:copper_ingot",
      "required": false
    },
	{
      "id": "minecraft:raw_copper",
      "required": false
    },
	{
      "id": "minecraft:zinc_ingot",
      "required": false
    },
	{
      "id": "minecraft:raw_zinc",
      "required": false
    }

  ]
}