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→Preventing and Reducing Corrosion
===Preventing and Reducing Corrosion===
: [[Corrosion]] can be prevented by making a physical barrier between the [[object]] and the [[chemical]]s in the environment. This can be done by painting , covering something in grease or by [[electroplating]].
{| class="wikitable"
|[[File:RustingPipe.png|center|200px]]
|[[File:Electroplating.png|center|200px]]
|[[File:ChainGrease.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |This [[Iron]] pipe was painted to prevent [[corrosion]], but where the paint has chipped away, the [[Iron]] has [[rusting|rusted]].
| style="height:20px; width:200px; text-align:center;" |[[Electroplating]] can cover a [[Reactivity Series|reactive]] [[metal]] with a less [[Reactivity Series|reactive]] [[metal]] such as [[Copper]] create a physical barrier between the [[object]] and the environment.
| style="height:20px; width:200px; text-align:center;" |Grease is used on bike chains to prevent [[corrosion]]. Paint and [[electroplating]] cannot be used because they would chip away from constant movement of the chain.
|}