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SACRIFICIAL PROTECTION

(1) The use of a metallic coating, such as galvanizing or zinc-rich paint, to protect steel. In the presence of an electrolyte, such as salt water, a galvanic cell is set up and the metallic coating corrodes instead of the steel. (2) The use of galvanic anodes to protect immersed metals such as ship bottoms.


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SACRIFICIAL ANODE SYSTEM , SACRIFICIAL PIGMENT

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