state two ways to prevent rusting of iron
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Explanation:
Use an Alloy. Many outdoor structures, like this bridge, are made from COR-TEN steel to reduce the effects of rust. ...
Apply Oil. ...
Apply a Dry Coating. ...
Paint the Metal. ...
Store Properly. ...
Galvanize. ...
Blueing. ...
Powder Coating.
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Answer:
The Two ways are galvanisation and oil painting
Explanation:
gavanisation is the method of coating zinc on iron objects which will prevent its contact with oxygen.
oil painting/colouring will do the same work
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