Engineering Drawing
In order to create an isometric circle to represent a hole through the top surface of a box, the drafter must insure that the correct iso-plane has been selected by scrolling through the iso-planes using the ________ key.

F8
F3
F5
F1

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Engineering Drawing
How can the drafter prevent Auto-CAD from placing or stacking another center mark on a circle when adding a diameter dimension to it?

It can't be done
Use the trim tool to take away the stacked center mark
Use the Properties dialog box to turn off the center mark of the dimension
Explode the dimension and then erase the center mark

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