The lack of supply is in the market for cargo unloading at the ports... There are not enough cranes & container chassis to service the combined weight of regula

The lack of supply is in the market for cargo unloading at the ports... There are not enough cranes & container chassis to service the combined weight of regular demand plus the backed-up pandemic demand. The unloading infrastructure is very capital-intensive, and highly localized, and so far the shipping companies have been unwilling to invest in expanding unloading capacity.