--for all items related to/are plastic

data:extend({

  {
    type = "item",
    name = "pm-plastic-pellets",
    icon_size = 64,
    icon = "__periodic-madness__/graphics/icons/plastic-pellets.png",
    subgroup = "pm-plastics",
    order = "a",
    stack_size = 400,
  },
  {
    type = "item",
    name = "pm-polyethylene-plastic",
    icon_size = 64,
    icon = "__periodic-madness__/graphics/icons/polyethylene-plastic.png",
    pictures =
    {
      { filename = "__periodic-madness__/graphics/icons/polyethylene-plastic.png", size = 64, scale = 0.5 },
      { filename = "__periodic-madness__/graphics/icons/polyethylene-plastic-2.png", size = 64, scale = 0.5 },
      { filename = "__periodic-madness__/graphics/icons/polyethylene-plastic-3.png", size = 64, scale = 0.5 },
    },
    subgroup = "pm-plastics",
    order = "b",
    stack_size = 100
  },
  {
    type = "item",
    name = "pm-polymethyl-methacrylate",
    icon_size = 64,
    icon = "__periodic-madness__/graphics/icons/polymethyl-methacrylate-plastic.png",
    pictures =
    {
      { filename = "__periodic-madness__/graphics/icons/polymethyl-methacrylate-plastic.png", size = 64, scale = 0.5 },
      { filename = "__periodic-madness__/graphics/icons/polymethyl-methacrylate-plastic-2.png", size = 64, scale = 0.5 },
    },
    subgroup = "pm-plastics",
    order = "c",
    stack_size = 100
  },
  {
    type = "item",
    name = "pm-polytetrafluoroethylene",
    icon_size = 64,
    icon = "__periodic-madness__/graphics/icons/polytetrafluoroethylene-plastic.png",
    pictures =
    {
      { filename = "__periodic-madness__/graphics/icons/polytetrafluoroethylene-plastic.png", size = 64, scale = 0.5 },
      { filename = "__periodic-madness__/graphics/icons/polytetrafluoroethylene-plastic-2.png", size = 64, scale = 0.5 },
      { filename = "__periodic-madness__/graphics/icons/polytetrafluoroethylene-plastic-3.png", size = 64, scale = 0.5 },
    },
    subgroup = "pm-plastics",
    order = "c",
    stack_size = 100
  },
})