Types of boats in the economies of ocean freight is important to understand the type and size of vessel. These vessels, which may be contained in a cargo port, one trainer to another, from low volume to high volume. The current fleet (Ocean - going ships), many of which can carry cargo up to 100,000 - 500,000 deadweight (tons dwt), the boat must be larger. And create problems with ports and shipyards, such as big oil tanker could result in having to ship offshore. Or may need to have facilities for unloading the modern cargo container, the trainer.
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