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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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For high pressure storage of compressed gases cylinders are made up of –
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The correct answer is  Gas cylinders are made from a steel alloy of molybdenum, which is resistant to corrosion.
Aluminum cylinders are also available in western countries.