![]() Of these 28% were oil tankers, 43% were bulk carriers, and 13% were container ships. 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.Īs of 2016, there were more than 49,000 merchant ships, totaling almost 1.8 billion deadweight tons. Ship transport is responsible for the largest portion of world commerce. Ships have supported exploration, trade, warfare, migration, colonization, and science. Ships are generally distinguished from boats, based on size, shape, load capacity and purpose. ![]() Steam turbine ( fossil fuel, nuclear), diesel, gas turbine, sterling, steam (reciprocating)įor sailing ships – two or more masts, variety of sail plansĪ 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. ![]() Container ship, Reecon Whale, on the Black Sea near Constanța, Romania. ![]()
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