This instrument is used to draw circles, arcs, radii, and parts of many symbols.

The most popular type of measuring tool, usually 6 or 12 inches in length.

Used for dividing distances into a number of equal parts by the trial-and-error method.

It is used for measuring and setting of angles other than those obtainable with the triangles

This drafting tool is used to protect the rest of the drawing when removing unnecessary lines.

The drafting material used for fastening the drawing paper on the drawing table.

This is used to clean the dirt off the drawing.

Fixed head, movable head, and removable head are the three types of T - square.

10 mm is equivalent to _ cm.