WS of an iron manufacturing plant. Furnaces burning, an employee works in the left corner. CU of furnaces, pans right. Ws of a train caboose being filled with hot iron. CU of molten iron pouring into hole. MS of burning furnaces and a mechanical sealer, closing the furnace until later use. WS of the plant with train in yard, moving left off the screen. CU of furnace pouring molten iron into molds, title appear. VO describing how iron is made.