{
    "type": "immersiveengineering:arc_furnace",
    "input": { "tag": "forge:ingots/iron" },
    "additives": [{ "tag": "forge:dusts/coal_coke" }],
    "slag": { "tag": "forge:slag" },
    "results": [{ "item": "mekanism:ingot_steel", "count": 1 }],
    "time": 100,
    "energy": 51200
  }