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.
Post Office job vacancies are advertised internally by the USPS and not by the Office of Personnel Management. In 1971, the US Postal Service became independent.Pay scales are determined by the Postal Pay Act and are not a part of the General Pay Schedule.ost Office job vacancies are advertised internally by the USPS and not by the Office of Personnel Management. In 1971, the US Postal Service became independent.