Ocean transport system involving use of centralized ports to assemble and disseminate cargo to and from ports within a geographic area. Commodities are transported between major ports, then transferred to feeder vessels for further transport to a number of additional ports.

The wooden or plastic pilings on the outer edge of the wharf function like the fenders on a car. They are there to absorb the shock of a ship as it docks at the wharf and to protect the structural pilings that actually support the wharf. Fender piles are also called sacrifice piles since they are designed to be discarded after they are broken.

The area at which barges, towboats and tugs are berthed until needed. The operation of building or dismantling barge tows.

Known in some countries as a free zone, a foreign trade zone (FTZ) is a site within the USA (in or near a U.S. Customs port of entry) where foreign and domestic goods are held until they ready to be released into international commerce. If the final product is imported into the U.S., duties and taxes are not due until the goods are release into the U.S. market. Merchandise may enter a FTZ without a formal Customs entry or the payment of Customs duties or government excise taxes. In the zone, goods may be: stored; tested; sampled; repackaged or relabeled; cleaned; combined with other products; repaired or assembled, etc.

Merchandise hauled by transportation lines.

An individual or company that prepares the documentation and coordinates the movement and storage of export cargoes. See also Customs house broker.