1

Here is an idea based on the concept of a sacrificial anode. Per Wikipedia, to quote: A galvanic anode, or sacrificial anode, is the main component of a galvanic cathodic protection (CP) system used to protect buried or submerged metal structures from corrosion.They are made from a metal alloy with a more "active" voltage (more negative reduction ...


Only top voted, non community-wiki answers of a minimum length are eligible