생산 방식·생산 방식옛 만리장성 유지비ruined_great_wall_of_china_maintenancein_game/common/production_methods/unsorted_building_inputs.txt:248정의in_game/common/production_methods/unsorted_building_inputs.txt:248249lumber = 0.1250weaponry = 0.02251clay = 0.02252category = building_maintenance