{
    "type": "minecraft:chest",
    "pools": [
        {
            "rolls": 2,
            "entries": [
                {
                    "type": "minecraft:item",
                    "weight": 2,
                    "name": "pneumaticcraft:speed_upgrade",
                    "functions": [
                        {
                            "function": "set_count",
                            "count": 2
                        }
                    ]
                },
                {
                    "type": "minecraft:item",
                    "weight": 2,
                    "name": "pneumaticcraft:advanced_pcb",
                    "functions": [
                        {
                            "function": "set_count",
                            "count": 2
                        }
                    ]
                },
                {
                    "type": "minecraft:item",
                    "weight": 2,
                    "name": "pneumaticcraft:volume_upgrade",
                    "functions": [
                        {
                            "function": "set_count",
                            "count": 4
                        }
                    ]
                },
                {
                    "type": "minecraft:item",
                    "weight": 1,
                    "name": "pneumaticcraft:compressed_iron_block",
                    "functions": [
                        {
                            "function": "set_count",
                            "count": 4
                        }
                    ]
                }
            ]
        }
    ]
}
