aa#-02-i.01
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Cursor-indicate in the area of a box for further   
explanation. Select the <Continue> when you are ready 
to go to the next screen.
Dialog Windows explain important information and display
review material. They remain on your screen until you
select <Continue> or press <Enter>. 
Instruction Windows give you directions on how to 
accomplish the tasks described in the Dialog Windows. They 
disappear when you complete the required tasks.  
The Help Window appears when you accidentally enter
information that does not correspond with the directions
given in the Instruction Window.
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aa#-02-i.02
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Cursor-indicate in the area of a box for further   
explanation. Select the <Continue> when you are ready 
to go to the next screen.
Lines are created to represent edges of a model. There are
several methods of creating lines. Any line can always be 
modified.
A circle is defined according to a radius or a diameter and 
a center position. Circles are used to create cylinders, 
curves, and extrusions.
Arcs are defined by start and end positions, a radius or
diameter, or a center point. They are used to create 
curved edges and rounded corners.
A point is used as a reference for positioning, deleting,
or transforming entities. They are illustrated on the 
screen with a small cross.
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aa#-02-i.03
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aa#-02-r.04
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