Метод производства
Королевское общество
Определениеin_game/common/building_types/unique_buildings.txt:2047
2048paper = 1
2049books = 0.5
2050marble = 0.2
2051goods_gold = 0.1
2052fine_cloth = 0.2
2053furniture = 0.2
2054category = building_maintenance