66) If a designer is developing a plan for a project in which the entire part is made out of 3/4 inch thick plywood and he only wants to use one view, he should use the _____ view.

67) The type of line that projects from an object for the express purpose of locating a dimension is a _____ line

68) The AutoCAD command used to combine two or more primitive shapes into a single complex 3-dimensional model is

69) The _____ tool on the Dimension tool bar places the length of an arch on a drawing

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