They are used for drawing vertical and inclined lines with the aid

of a T-square.

It is primarily used in projecting horizontal lines.

It is used to sketch drawings.

This instrument is used to draw circles as well as arcs.

It is primarily used to plot angles on the drawing.

It is used for dividing lines into any number of equal parts, and

transferring measurements and spacing points or lines.

It is usually used in order to project some irregular shapes of

curve in a particular drawing.

It is an instrument that has different shapes, holes as well as

designs. It is used as patterns in projecting drawings of different shapes.

This instrument is used to erase unwanted marks on the drawing

paper. It is usually made of rubber.

It is used to fasten the paper on the drawing board to

prevent it from moving.