Static ModifiersIStatic Modifier10 yearsIntroduction of the Steam Engineintroduction_of_watt_engineShow on the map →ModifiersLocal Monthly Development+0.01Production Efficiency+2.5%Raw Materials Output+15%Where it is appliedSourceWhereDurationImproved Steam Engineoption10 yearsConnectionsGranted by 1Improved Steam Engine10 yearsOptionScripting 1References 1Mmedium_production_efficiency_bonusModifiersDefinitionmain_menu/common/static_modifiers/location.txt:3071▾game_data = {category = location}local_monthly_development = 0.01local_production_efficiency = medium_production_efficiency_bonus (+2.5%)local_raw_material_output = 0.15History