{
    "type": "tfc:alloy",
    "result": "tfc:bismuth_bronze",
    "contents": [
        {
            "metal": "tfc:zinc",
            "min": 0.2,
            "max": 0.3
        },
        {
            "metal": "tfc:copper",
            "min": 0.5,
            "max": 0.7
        },
        {
            "metal": "tfc:bismuth",
            "min": 0.1,
            "max": 0.2
        }
    ]
}