{
  "type": "cgm:workbench",
  "materials": [
    {
      "tag": "forge:plates/aluminum","count": 1
    },
    {
      "tag": "forge:nuggets/iron","count": 8
    },
    {
      "tag": "forge:gunpowder","count": 4
    }
  ],
  "result": {
    "item": "cgm:grenade",
    "count": 1
  }
}