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Shipping is the transport of cargo between seaports by ships, typically large steel vessels powered by diesel engines or steam turbine plants. Many nations
have built specialized naval ships to ensure the free movement of legitimate cargo; these
"merchant navies" are essential to the world economy, carrying the bulk
of international trade. The ships are also extremely expensive constructions themselves, being the largest man-made vehicles
ever.
Types of ships involved
Shipping companies
See also
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