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17
What type of pipe is flexible and used for gas?
Explanation
Corrugated stainless steel tubing (CSST) is flexible and commonly used for gas installations. Copper pipe is rigid and not as flexible as CSST for gas applications. PVC pipe is not suitable for gas as it is a plastic material and can be a fire hazard. Galvanized steel pipe is also rigid and not as flexible as CSST for gas distribution.