In a port there the big ship to shore cranes and there are the smaller mobile gantry cranes. The smaller gantry cranes look like this [0] and 1 operator may be

In a port there the big ship to shore cranes and there are the smaller mobile gantry cranes. The smaller gantry cranes look like this [0] and 1 operator may be controlling half dozen simultaneously. There are huge cost savings involved because 1 person can move multiple containers, simultaneously. These systems aren't cheap and it requires more skill closer to IT than your typical stevedore. So it can take years to recoup any savings in labor. Recouping time costs are almost immediate. [0] http://www.konecranes.com/equipment/container-handling-equipment/automated-rmg-armg-system http://www.konecranes.com/equipment/container-handling-equip...