Special exception items. Specified items of equipment may be covered under certain conditions even though they do not meet the definition of DME because they are not primarily and customarily used to serve a medical purpose and/or are generally useful in the absence of illness or injury.
1 Physical Map: A physical map is one that shows the physical landscape features of a place. 2  They generally show things like mountains, rivers and lakes and water is always shown with blue. 3  Mountains and elevation changes are usually shown with different colors and shades to show relief. Topographic Map: A topographic map is similar to a physical map in that it shows different physical landscape features. 2  They are different however because they use contour lines instead of colors to show changes in the landscape.
The physical network diagram is created by the administrator to represent the physical layout of the network. The diagrams are the most vital document needed to capture a wide variety of information in your network. Each computer is connected to the hub and a cable line represents how it is connected.