Corrosion is the reaction of a metal with another material. These reactions are usually with very low PH or acidic materials such as sulphuric acid or reactions with high ph or basic materials such as sodium hydroxide.
... density of the community is 18 inhabitants per km².
External links
Ludvika (http://www.ludvika.se) - Official site
Municipalities of Dalarna[?]:
Avesta ...