Slow panning WS of a raw ore mine. WS pans over a giant shoveling machine, moving loads of raw material. CU of operator driving the tractor. CU of a industrial size shovel transporting raw material. CU of operator. WS of tractor dumping dirt into a train car. CU of a locomotive engineer making hand signals to another worker. Cu of the other train operator at the controls. WS of the iron mine, structures / facilities in the distance. Screen Wipe to CU of two iron workers (underground). Screen wipe to still of iron mine. Screen wipe to WS of a train locomotive passing by. Screen wipe to a WS of a seaport in The Great Lakes of Michigan. Screen mix to CU of dock workers at the port. POV of loading shoots, lowering from above. CU of a receiving vessel. MS of a worker unlocking a hatch, releasing tons of raw material. CU of raw material falling into container. Aerial view of a large boat (freight) leaving port. VO of narrator describing the process and how essential iron is to a vast network of human industries.