Sentences with phrase «sacrificial anodes»
You know how water heaters have «sacrificial anodes» — pieces of metal that «give themselves up» and rust so that the water heater itself doesn't rust?
http://articles.orlandosentinel.com/
A sacrificial anode is a piece of metal that alters the local electrochemistry and then slowly dissolves.
Sacrificial anode doesn't.
This is called a sacrificial anode.