Huge dockside cranes load and unload cargo from ships.
Location of events unknown.
Huge cranes on docks are shown in operation moving various types of cargo on and off ships. Cranes pick up large crates & move them. Pan on a big scoop hanging from crane as it swings around; dumps load of loose dark powdery stuff into open box on a track.
Next; shots of the cranes moving long telegraph poles & stacking them in alternating layers.
Shipping; freight; distribution; machines. Boats and ships; shipyards.