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Large watercraft / From Wikipedia, the free encyclopedia

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A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally distinguished from boats, based on size, shape, load capacity and purpose. Ships have supported exploration, trade, warfare, migration, colonization, and science. After the 15th century, new crops that had come from and to the Americas via the European seafarers significantly contributed to world population growth.[1] Ship transport is responsible for the largest portion of world commerce.

Quick facts: General characteristics...
Container ship, Reecon Whale, on the Black Sea near Constanța, Romania.
General characteristics
Tonnagegreater than 500 DWT
Propulsionsteam turbine (fossil fuel, nuclear), diesel, gas turbine, sterling, steam (reciprocating)
Sail planfor sailing ships – two or more masts,[citation needed] variety of sail plans

The word ship has meant, depending on the era and the context, either just a large vessel or specifically a ship-rigged sailing ship with three or more masts, each of which is square-rigged.

As of 2016, there were more than 49,000 merchant ships, totaling almost 1.8 billion dead weight tons. Of these 28% were oil tankers, 43% were bulk carriers, and 13% were container ships.[2]

The earliest historical evidence of boats is found in Egypt during the 4th millennium BCE [3]