생산 방식·생산 방식성벽 유지비city_walls_maintenancein_game/common/production_methods/unsorted_building_inputs.txt:240정의in_game/common/production_methods/unsorted_building_inputs.txt:240241stone = 0.1242tools = 0.05243weaponry = 0.1244tar = 0.025245category = building_maintenance