How is the body of a water cooler protected from rusting? What role does galvanisation play in it?
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Galvanizing protects from rust in a number of ways: It forms a barrier that prevents corrosive substances from reaching the underlying steel or iron. ... The zinc protects its base metal by corroding before iron. The zinc surface reacts with the atmosphere to form a compact, adherent patina that is insoluble in rainwater.
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Galvanisation is a method of protecting iron or steel structures, like railings, from corrosion by coating it in molten zinc. ... The outer zinc layer takes the brunt of the environmental damage, so the metal underneath is left unharmed.
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