When dimensioning piping drawings, you give the lengths of all runs of this type:

Which of the following pencil lead is softest?</p>

When using the descriptive geometry method to create an auxiliary view the drafter should _________.

This is the intersection of the ground plane with the picture plane:

This is a solid shape that fits inside the mold and forms a hole in a cooled cast metal or molten plastic object:

This is a conical-shaped recess around a hole, often used to receive a tapered screw head:

This type of surface may be a plane, a single curved surface, or a warped surface:

A round is a rounded surface on the ________ corner of a part.