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.
Political Map vs Physical Map. The difference between political map and physical map stems from the purpose for which they were created. Before explaining that further, let us first see what a map is.Maps are representations of natural features and landforms on a piece of paper with greatly scaled down ratios.he difference between political map and physical map stems from the purpose for which they were created. Before explaining that further, let us first see what a map is.