data:extend {
    {
        type = "item-group",
        name = "py-industry",
        order = "t2",
        inventory_order = "t2",
        icon = "__pyindustry__/graphics/technology/py-asphalt.png",
        icon_size = 128
    },
    {
        type = "item-subgroup",
        name = "py-industry",
        group = "py-industry",
        order = "a"
    },
    {
        type = "item-subgroup",
        name = "py-storage-tanks",
        group = "py-industry",
        order = "b"
    },
    {
        type = "item-subgroup",
        name = "py-pipes",
        group = "py-industry",
        order = "c"
    },
    {
        type = "item-subgroup",
        name = "py-walls",
        group = "py-industry",
        order = "d"
    },
    {
        type = "item-subgroup",
        name = "py-containers-shed",
        group = "py-industry",
        order = "ea"
    },
    {
        type = "item-subgroup",
        name = "py-containers-storehouse",
        group = "py-industry",
        order = "eb"
    },
    {
        type = "item-subgroup",
        name = "py-containers-warehouse",
        group = "py-industry",
        order = "ec"
    },
    {
        type = "item-subgroup",
        name = "py-tiles",
        group = "py-industry",
        order = "f"
    },
        {
        type = "item-subgroup",
        name = "py-void",
        group = "py-industry",
        order = "zzzzzzzzzzzzz"
    }
}
