[
  {
    "type" : "item_group",
    "id" : "NC_SCIENTIST_eyes",
    "items":[
      ["null", 20],
      ["glasses_safety", 40],
      ["glasses_eye", 60]
    ]
  },{
    "type" : "item_group",
    "id" : "NC_SCIENTIST_coat",
    "items":[
      ["null", 20],
      ["hoodie", 10],
      ["coat_lab", 60],
      ["jacket_light", 10],
      ["jacket_leather", 10],
      ["trenchcoat", 5],
      ["jacket_jean", 10],
      ["kevlar", 5]
    ]
  }
]