[
  {
    "type": "construction",
    "id": "constr_bulletin",
    "group": "build_bulletin_board",
    "category": "FURN",
    "required_skills": [ [ "fabrication", 0 ] ],
    "time": "20 m",
    "qualities": [ [ { "id": "HAMMER", "level": 2 } ], [ { "id": "SAW_W", "level": 1 } ] ],
    "components": [ [ [ "2x4", 4 ], [ "wood_panel", 1 ] ], [ [ "nails", 8, "LIST" ] ] ],
    "pre_special": "check_empty",
    "post_terrain": "f_bulletin"
  },
  {
    "type": "construction",
    "id": "constr_sign",
    "group": "build_sign",
    "category": "CONSTRUCT",
    "required_skills": [ [ "fabrication", 0 ] ],
    "time": "20 m",
    "qualities": [ [ { "id": "HAMMER", "level": 2 } ] ],
    "components": [ [ [ "2x4", 1 ], [ "wood_panel", 1 ] ], [ [ "2x4", 2 ] ], [ [ "nails", 6, "LIST" ] ] ],
    "pre_special": "check_empty",
    "post_terrain": "f_sign"
  }
]
