[
    {
        "type": [ "component" ],
        "input": { "iron_plate": 4, "screw": 24 },
        "output": { "reinforced_iron_plate": 1 },
        "machine": "assembler",
        "crafting_time": 12,
        "clicks": 3,
        "requires": "hub_upgrade_2"
    }
]