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In navies and the maritime industry, damage control is the emergency control of situations that may cause the sinking of a watercraft. Examples are: * rupture of a pipe or hull especially below the waterline and * damage from grounding (running aground) or hard berthing against a wharf. * temporary fixing of bomb or explosive damage. ==Measures used== Simple measures may stop flooding, such as: * locking off the damaged area from other ship's compartments; * blocking the damaged area by wedging a box around a tear in the ship's hull, * putting a band of thin sheet steel around a tear in a pipe, bound on by clamps. More complicated measures may be needed if a repair must take the pressure of the ship moving through the water. For example: * Thermal lance cutting around the rupture. * Oxyacetylene welding or electric arc welding of plates over the rupture. * Quick-drying cement is applied underwater over the rupture. Damage control training is undertaken by most seafarers, but the engineering staff are most experienced in making lasting repairs. Damage control is distinct from firefighting. Damage control methods of fighting fire are based on the class of ship and cater to ship specific equipment on board. 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「damage control」の詳細全文を読む スポンサード リンク
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