A single NEXPLANON implant is inserted subdermally in the upper arm. To reduce the risk of neural or vascular injury, the implant should be inserted at the inner side of the non-dominant upper arm about 8-10 cm (3-4 inches) above the medial epicondyle of the humerus.
Graphitic corrosion is selective leaching of iron from gray cast iron, where iron particles are removed and graphite grains remain intact. Graphitic corrosion is also known as selective leaching, dealloying, demetalification, parting and selective corrosion.
Most often,  corrosion is the electrochemical oxidation of â¦ a metal (such as iron  corroding to form iron oxide, a.k.a. rust).     Corrosion is deterioration of a substance, usually metal.     Corrosion is slow and continous eting away of metal by the  surrounding. Metal Corrosion or Metallic Corrosion can be defined as the destructive attack of a metal through interaction with its environment. The most common example is Rust, an â¦ iron oxide Fe2O3, that is the consequence of the Corrosion process of Iron. + 9 others found this useful.