{
  "type": "pneumaticcraft:pressure_chamber",
  "inputs": [
    {"tag": "forge:plates/steel"},
    {"item": "refinedstorage:cable"},
    {"tag": "forge:plates/steel"}
  ],
  "pressure": 4.5,
  "results": [
    {
      "item": "ad_astra:steel_cable"
    }
  ]
}