{
  "type": "minecraft:chest",
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:printed_circuit_board",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:advanced_pcb",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:advanced_pressure_tube",
          "weight": 50000,
          "functions": [
            {
              "function": "minecraft:set_count",
              "count": {
                "min": 16,
                "max": 32
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:volume_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:dispenser_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:speed_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:search_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:range_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:security_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:magnet_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:charging_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:night_vision_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:scuba_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:inventory_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:flippers_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:standby_upgrade",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:large_tank",
          "weight": 50000
        },
        {
          "type": "minecraft:item",
          "name": "pneumaticcraft:huge_tank",
          "weight": 20000
        }
      ]
    }
  ]
}
