Answers

2016-01-26T08:51:42+05:30
By painting the surface By coating the surface with a thin film of oil or grease.
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2016-01-26T08:52:45+05:30
By coating it wid a layer of oil n Greece which help iron not be in d direct contact wid air By electroplating wid some non corrosive metal
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Thanx
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