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The first and foremost method for preventing hydrogen damage is the obvious option of preventing direct contact between a metal and the hydrogen‐containing agent. Controlling the environment during operations such as casting and melting will allow for the exposure to hydrogen to be moderated. Other than preventing exposure, it is also possible to give the metal or alloy a metallurgical treatment, which would serve to reduce the susceptibility of the material to damage caused by hydrogen, chemical means, or otherwise.