Production Methods/Grand ShipyardGProduction MethodGrand Shipyardsgrand_shipyard_maintenancein_game/common/building_types/port_buildings.txt:177Definitionin_game/common/building_types/port_buildings.txt:177178tar = 1.6179naval_supplies = 0.8180tools = 1.6181lumber = 1.6182cloth = 0.8183category = building_maintenance