A photo of Elvis (center) with his doctor Nick Nichopoulos (back) taken shortly before his death. (Courtesy of Nick Nichopoulos) LOS ANGELES â It has been widely reported that Elvis Presley died in 1977 from cardiac arrhythmia, an irregular heartbeat, possibly brought on by drug dependency, obesity and a weak heart.
If the Ionic or Electro-chemical theory of corrosion, as described in the preceding chapter, be accepted it is then easy to divide all practical cases of corrosion into three types : (1) Auto Corrosion, (2) Contact Corrosion, and (3) Externally Induced Corrosion. (reference).
Types of Marine Corrosion. Revised by BoatUS editors in April 2012. Metal parts underwater are subjected to two basic types of corrosion: galvanic corrosion and stray current corrosion. Both can harm your boat, propeller, and motor if not correctly monitored and avoided.