write the prevention methods of corrosion ?
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- painting
- Application of Grease
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By applying oil, grease, paint or varnish on the surface.
By coating/depositing a thin layer of any other metal which does not corrode.
For instance, you can prevent the surface of iron from corrosion by depositing a thin layer of chromium, zinc or nickel on it. Similarly, brass or copper can be protected by coating it with a thin layer of tin. In our country, tinning of brass is a very common practice
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