Engineering Drawing
Drafters should use a ________ in a section view of a mechanical part that includes the cylindrical view of a threaded hole.

Poly line
Hatch line
Dimension line
Center line

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Engineering Drawing
Given a situation in which the drafter has crossed extension lines in a drawing what can be done to clean up the point of crossing?

Use the Tolerance tool to clean up the extension lines
Use the Break tool to clean up the extension lines
Use the Modify tool to clean up the extension lines
Use the stretch tool to clean up the extension lines

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