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Answer: Flame straightening is an efficient and long- established method of correcting the distorted parts. Flame straightening is based on the physical principle that metals expand when heated and contract when cooled. ... In practice, an oxy-acetylene flame is used to rapidly heat a well- defined section of the workpiece
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Flame straightening is an efficient and long- established method of correcting the distorted parts. Flame straightening is based on the physical principle that metals expand when heated and contract when cooled. ... In practice, an oxy-acetylene flame is used to rapidly heat a well- defined section of the workpiece