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Three methods to protect ferrous metals from corrosion are painting, galvanisation, and electroplating.
Three methods of protecting ferrous metals against corrosion include painting, galvanisation, and electroplating. Painting creates a barrier preventing water and oxygen from reaching the metal surface, while galvanisation involves coating iron with a layer of zinc to protect it. Electroplating utilizes an electrolytic process to cover the metal with a protective layer.
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