Galvanic corrosion is a process that degrades metals electrochemically. This corrosion occurs when two dissimilar metals are located in contact with each other in the presence of an electrolyte, such as salt water, forming a galvanic cell.
But the memories of that tragic day 25 years ago are still vivid to many in Edmond. On Aug. 20, 1986, gunman Patrick Henry Sherrill shot and killed 14 co-workers, wounded six and then took his own life inside the post office where he worked.
Silly. Just because you say it, doesn't make it so: October 2002 - a series of sniper-style shootings occurred in Washington DC, leaving 10 dead. August 2003 - in Chicago, a laid-off worker shot and killed six of his former workmates. November 2004 - in Birchwood, Wisconsin, a hunter killed six other hunters and wounded two others after an argument with them.