A civil engineer working on a bridge design would probably rely on his ________ scale for checking printed drawings.

This is the smallest diameter of a screw thread:

Isometric drawings are often used by ________ to help illustrate complex designs.

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

The Length : Width in case of an arrow head is</p>

This is a common method for connecting steel members of buildings and bridges:

When filling an area with a hatch pattern in Auto-CAD the drafter needs to be able to ________.

When lettering a CAD drawing, for clarity you should limit the number of fonts to: