1 There are various conditions in which one part of the body overgrows others because of a genetic or congenital reason. An example of such a reason that would cause swollen legs is Klippel-Trenaunay syndrome.  Disuse edema â Not using a limb causes changes in blood flow and return to and from that limb.
A non-directional (radio) beacon (NDB) is a radio transmitter at a known location, used as an aviation or marine navigational aid. bearing is a line passing through the station that points in a specific direction, such as 270 degrees (due West). NDB bearings provide a charted, consistent method for defining paths aircraft can fly. In this fashion, NDBs can, like VORs, define  airways  in the sky.
NonVisual Desktop Access (NVDA) is a free and open source screen reader for the Microsoft Windows operating system developed by NV Access, with contributions from the community. It can be downloaded from NV Access. This page only lists a few of the most used keyboard short-cuts and commands, for a complete list See NVDA User Guide. The NVDA Modifier Key. Most NVDA-specific keyboard commands consist of pressing a particular key called the NVDA modifier key (Numpad Insert or Extended Insert by default) in conjunction with one or more other keys. In the table below, this will be referred to as just NVDA.