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How would improve protection

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An underground, bare copper steam line was laid in a trench backfilled with coke breeze. This backfill is expensive and is normally used only around impressed current anodes, but it was used in this case to provide thermal insulation and a neutral environment. The line was protected with magnesium anodes that appeared to be working, but severe leaks developed in 1 month. How would improve protection?

Reference no: EM133215460

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