Concept
Version 10
Created by Boundless
Preventing Corrosion
A galvanized surface
Protecting iron alloys with a coating of a more active metal through the process of galvanizing prevents the alloys from corroding.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Corrosion prevention."
http://en.wikipedia.org/wiki/Corrosion_prevention%23Economic_impact
Wikipedia
GNU FDL.