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Bulkhead (partition) : ウィキペディア英語版 | Bulkhead (partition)
A bulkhead is an upright wall within the hull of a ship or within the fuselage of an aeroplane. Other kinds of partition elements within a ship are decks and deckheads. ==Etymology== The word ''bulki'' meant "cargo" in Old Norse. Sometime in the 15th century sailors and builders in Europe realized that walls within a vessel would prevent cargo from shifting during passage. In shipbuilding, any vertical panel was called a "head". So walls installed abeam (side-to-side) in a vessel's hull were called "bulkheads." Now, the term bulkhead applies to every vertical panel aboard a ship, except for the hull itself.
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「Bulkhead (partition)」の詳細全文を読む
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