MS of a steel worker walking towards a steel pan and hitting it several times. Cu of three men sitting together looking attentively over at the man hitting the pan, standing up. CU of a man with goggles and sledgehammer, stopping for a moment to see what is going on. CU of a worker shovel in hand. MS of a group of workers gathering at a furnace and grabbing a ramming rod, to apply within the furnace. CU of furnace from other side. CU of a worker, shoveling. CU of a worker applying a flame torch to a part of the furnace. MS of workers gathered around the furnace all holding a ramming rod. WS of the man above the furnace, preparing it. CU of men with ramming rod, inserting it into the furnace. Cu of the molten iron pouring through a stream. CU of an operator. Cu of the filtering system that the iron pours through. CU of operator. CU of molten iron. CU of operator. CU of molten iron. CU of ladle moving through air. CU of two workers. CU of machinery. Cu of two workers inspecting the ladle. CU of molten iron filling containers. VO of narrator describing the process and how essential iron is to a vast network of human industries.