reaction_steam_engine [OBJECT:REACTION] [REACTION:STOKE_BOILER] [NAME:stoke the boiler] [BUILDING:STEAM_ENGINE:CUSTOM_S] [BUILDING:MAGMA_STEAM_ENGINE:CUSTOM_S] [FUEL] [SKILL:SMELT] Dimension is the number of days it can produce 100 power * 100. I.e. with 2000 it means energy of 1 job = 1 water wheel for 20 days. [PRODUCT:100:1:LIQUID_MISC:NONE:WATER][PRODUCT_DIMENSION:2000]