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Amazon.com: Hawkins silver Stainless Steel, Rubber, Aluminium Vent Weight Safety Valve Bundle/Set of Hawkins Gasket Whistle A10-09, B10-10 H10-20 for Classic/Contura and 2 to 3 L Pressure Cookers - Set of 3 :
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cooking time - Can the duration of the whistle determine if food inside a pressure cooker is cooked - Seasoned Advice
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