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Lightships: A light vessel, or lightship, is a ship that acts as a lighthouse. They are used in waters that are too deep or otherwise unsuitable for lighthouse construction.

Cargo Liners : An ocean liner is designed to transport passengers from point A to point B. The classic example of such a voyage would be a transatlantic crossing from Europe to America. Maguin, Pierre-Yves (September 1980). "The Southeast Asian Ship: An Historical Approach". Journal of Southeast Asian Studies. 11 (2): 266–276. doi: 10.1017/S002246340000446X. JSTOR 20070359. S2CID 162220129. The economic factor is of prime importance in designing a merchant ship. Every owner wants maximum return on their investment, which means a ship’s construction not only depends on the current economic necessities, but the factor of future adaptability also plays a part. Manguin, Pierre-Yves (1993). "Trading Ships of the South China Sea. Shipbuilding Techniques and Their Role in the History of the Development of Asian Trade Networks". Journal of the Economic and Social History of the Orient: 253–280. century [ edit ] Colombo Express, one of the largest container ships in the world, owned and operated by Hapag-Lloyd of GermanyStanislaw R. Massel (1996). Ocean surface waves: their physics and prediction. World Scientific. pp.369–71. ISBN 978-981-02-2109-6. In most maritime traditions ships have individual names, and modern ships may belong to a ship class often named after its first ship. The ancient Egyptians were perfectly at ease building sailboats. A remarkable example of their shipbuilding skills was the Khufu ship, a vessel 143 feet (44m) in length entombed at the foot of the Great Pyramid of Giza around 2500 BC and found intact in 1954. When a large vessel such as a container ship or an oil tanker unloads cargo, seawater is pumped into other compartments in the hull to help stabilize and balance the ship. During loading, this ballast water is pumped out from these compartments. [87]

Sawyer, L.A.; Mitchell, W.O. (1987). Sailing ship to supertanker: the hundred-year story of British Esso and its ships. Lavenham, Suffolk: Terence Dalton. ISBN 978-0-86138-055-8. Gallaher, Timothy (2014). "The Past and Future of Hala ( Pandanus tectorius) in Hawaii". In Keawe, Lia O'Neill M.A.; MacDowell, Marsha; Dewhurst, C. Kurt (eds.). ʻIke Ulana Lau Hala: The Vitality and Vibrancy of Lau Hala Weaving Traditions in Hawaiʻi. Hawai'inuiakea School of Hawaiian Knowledge; University of Hawai'i Press. doi: 10.13140/RG.2.1.2571.4648. ISBN 9780824840938. George Lee Dowd, Jr. (August 1927). "The First Plane to Germany". Popular Science. Vol.111, no.2. Popular Science Publishing Company, Inc. p.121. a b Adams, Jonathan (2013). A maritime archaeology of ships: innovation and social change in medieval and early modern Europe (Firsted.). Oxford, UK. ISBN 9781842172971. {{ cite book}}: CS1 maint: location missing publisher ( link) Parallel to the development of warships, ships in service of marine fishery and trade also developed in the period between antiquity and the Renaissance.

ship

Off shore oil vessels – Platform supply vessel, pipe layers, accommodation and crane barges, non and semi-submersible drilling rigs, drill ships, production platforms, floating production storage and offloading units. As these tanks store sludge, diesel, oils etc., which can catch fire immediately, they are provided separately and far from ignition prone areas. Ship designs stayed fairly unchanged until the late 19th century. The industrial revolution, new mechanical methods of propulsion, and the ability to construct ships from metal triggered an explosion in ship design. Factors including the quest for more efficient ships, the end of long running and wasteful maritime conflicts, and the increased financial capacity of industrial powers created an avalanche of more specialized boats and ships. Ships built for entirely new functions, such as firefighting, rescue, and research, also began to appear.

Semi-submersible Drill Rigs: These are Mobile Offshore Drilling Units to make stable platforms for drilling oil and gas Casson, Lionel (1995). Ships and seamanship in the ancient world. Baltimore: Johns Hopkins University Press. ISBN 0-8018-5130-0. Crane Barges or floating cranes: A crane vessel, crane ship or floating crane is a ship with a crane specialized in lifting heavy loads Some vessels that sustain major damage at sea may be repaired at a facility equipped for major repairs, such as a shipyard. Ships may also be converted for a new purpose: oil tankers are often converted into floating production storage and offloading units. Underhill, Harold (1946) [1938]. Masting and Rigging, the Clipper Ship and Ocean Carrier (1958 reprinted.). Glasgow: Brown, Son and Ferguson, Ltd.This section needs additional citations for verification. Please help improve this article by adding citations to reliable sourcesin this section. Unsourced material may be challenged and removed. ( December 2019) ( Learn how and when to remove this template message) As environmental laws are becoming more strict, ship designers need to create their design in such a way that the ship, when it nears its end-of-term, can be disassembled or disposed easily and that waste is reduced to a minimum.

National Research Council, Committee on the Ocean's Role in Human Health, Ocean Studies Board, Commission on Geosciences, Environment, and Resources. (1999). From monsoons to microbes: understanding the ocean's role in human health. Washington, DC: National Academy Press Bellina, Bérénice (2014). "Southeast Asia and the Early Maritime Silk Road". In Guy, John (ed.). Lost Kingdoms of Early Southeast Asia: Hindu-Buddhist Sculpture 5th to 8th century. Yale University Press. pp.22–25. ISBN 9781588395245.Sawyer, L.A. and Mitchell, W.H. The Liberty Ships: The History of the "Emergency" Type Cargo Ships Constructed in the United States During the Second World War, pp. 7–10, 2nd Edition, Lloyd's of London Press Ltd., London. 1985. ISBN 1-85044-049-2. Chemical and Product Carriers: A chemical tanker is a type of tanker ship designed to transport chemicals and different liquid products in bulk a b Hoffmann, Jan; Asariotis, Regina; Benamara, Hassiba; Premti, Anila; Valentine, Vincent; Yousse, Frida (2016), "Review of Maritime Transport 2016" (PDF), Review of Maritime Transport, United Nations: 104, ISBN 978-92-1-112904-5, ISSN 0566-7682