stretcher strain markings

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temper rolling — a light pass given to annealed cold rolled strip to prevent the formation of kinks and stretcher strain markings on subsequent cold working. Also termed pinch pass and skin pass … Mechanics glossary
Fire apparatus — A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting fires, by transporting firefighters to the scene, and providing them with access, water or other equipment. In some areas, the terms fire… … Wikipedia

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