[
  {
    "type": [ "component" ],
    "input": { "iron_ore": 3, "coal": 3 },
    "output": { "steel_ingot": 2 },
    "machine": "foundry",
    "crafting_time": 4,
    "clicks": 4,
    "stack_size": 100,
    "stage": "development"
  }
]