{
  "values": [
    "copper_bars",
    "exposed_copper_bars",
    "weathered_copper_bars",
    "oxidized_copper_bars",
    "waxed_copper_bars",
    "waxed_exposed_copper_bars",
    "waxed_weathered_copper_bars",
    "waxed_oxidized_copper_bars"
  ]
}