{
  "type": "pneumaticcraft:pressure_chamber",
  "inputs": [
    {
      "type": "pneumaticcraft:stacked_item",
      "tag": "forge:ingots/constantan",
      "count": 2
    },
    {
      "item": "tfc:powder/flux"
    }
  ],
  "pressure": 4.5,
  "results": [
    {
      "item": "tfc_ie_addon:metal/double_ingot/constantan"
    }
  ]
}