data:extend(
{
  {
    type = "item-group",
    name = "metallurgy-3",
    order = "m-3",
	inventory_order = "m-3",
    icon = "__CORE-DyTech-Core__/graphics/item-group/fluids.png",
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-lava",
    group = "metallurgy-3",
    order = "1a"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-lava-cooling",
    group = "metallurgy-3",
    order = "1b"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-intermediate",
    group = "metallurgy-3",
    order = "2"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-metal-basic",
    group = "metallurgy-3",
    order = "3"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-metal-advanced",
    group = "metallurgy-3",
    order = "4"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-barrels",
    group = "metallurgy-3",
    order = "5"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-barrels-filling",
    group = "metallurgy-3",
    order = "6"
  },
  {
    type = "item-subgroup",
    name = "metallurgy-fluid-barrels-emptying",
    group = "metallurgy-3",
    order = "7"
  },
}
)