data:extend(
{
  {
    type = "sprite",
    name = "tooltip-category-steam",
    filename = "__base__/graphics/icons/tooltips/tooltip-category-steam.png",
    priority = "extra-high-no-scale",
    width = 40,
    height = 40,
    flags = {"gui-icon"},
    mipmap_count = 2,
    scale = 0.5
  },
  {
    type = "sprite",
    name = "tooltip-category-water",
    filename = "__base__/graphics/icons/tooltips/tooltip-category-water.png",
    priority = "extra-high-no-scale",
    width = 40,
    height = 40,
    flags = {"gui-icon"},
    mipmap_count = 2,
    scale = 0.5
  },
  {
    type = "sprite",
    name = "tooltip-category-chemical",
    filename = "__base__/graphics/icons/tooltips/tooltip-category-chemical.png",
    priority = "extra-high-no-scale",
    width = 40,
    height = 40,
    flags = {"gui-icon"},
    mipmap_count = 2,
    scale = 0.5
  },
  {
    type = "sprite",
    name = "tooltip-category-nuclear",
    filename = "__base__/graphics/icons/tooltips/tooltip-category-nuclear.png",
    priority = "extra-high-no-scale",
    width = 40,
    height = 40,
    flags = {"gui-icon"},
    mipmap_count = 2,
    scale = 0.5
  },

})