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.
Mr. and Mrs. Alderson Muncy of Paynesville, West Virginia, were the first food stamp recipients on May 29, 1961. They purchased $95 in food stamps for their 15-person household. In the first food stamp transaction, they bought a can of pork and beans at Henderson's Supermarket. By January 1964, the pilot programs had expanded from eight areas to 43 (40 counties, Detroit, St. Louis, and Pittsburgh) in 22 States with 380,000 participants.