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A safety valve is a mechanism for the release of a substance from a pressurized vessel when the pressure or temperature exceeds preset limits. Safety valve may also refer to: * Safety valve (law), a provision in the United States Federal Sentencing Guidelines * Safety valve theory, relating unemployment and the Homestead Act of 1862 * Safety Valve (Biscayne Bay), a structure of sand flats and tidal channels separating Biscayne Bay in Florida from the Atlantic Ocean * Traditional Safety Valves, balances between the public's interest in open access with the property interest of copyright owners * Safety valve, a method for managing Emissions trading * Safety shutoff valve, a device to close a line and stop the flow of material * Downhole safety valve, a shutoff device in a gas or oil well ==See also== Relief valve (disambiguation) 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「Safety valve (disambiguation)」の詳細全文を読む スポンサード リンク
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