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Jumboisation is a technique in shipbuilding consisting of enlarging a ship by adding an entire section to it. By contrast with refitting or installation of equipment, jumboisation is a long and complex endeavour which can require a specialised shipyard. Enlarging a ship by jumboisation allows an increase in its value without needing to purchase or build an entirely new ship. This technique has been used on cruise ships and tankers, as well as smaller vessels like sailing or fishing ships.〔(Guy Saillard )〕 ==Methods== Large ships often have a long midsection with a uniform profile. In such cases, the ship is cut in two pieces and an additional section is inserted in between. This operation must be performed in a drydock. On large ships, the additional sections are typically 20 to 30 metres long, consisting of an oil tank, a cargo ship hold, or a group of cabins, depending on the type of ship. The tanker ''Seawise Giant'' became the largest ship in the world after her jumboisation. Smaller ships are usually jumboised by replacing the entire bow or stern section of the ship. This is done because the shape of their hull is usually incompatible with the previous method. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「jumboisation」の詳細全文を読む スポンサード リンク
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