BASIC ELEMENTS AND ALPHABET OF LINES IN TECHNICAL DRAWING

It is used for drawing circles and arcs of circles. It has two legs hinged at one end. One of the legs has a pointed needle fitted at the lower end, whereas the other end has a provision for inserting pencil lead.

It is generally made from plastic material. They are triangular with one corner,

a triangle.

It is, in its antique form, a kind of multipurpose desk that can be used for any kind of drawing, writing, or impromptu sketching on a large sheet of paper, for reading a large format book or other oversized document, or for drafting precise technical illustrations.

These are used to fix the drawing sheet to the drawing board.

It consists of two parts, namely the stock and the blade, joined together at right angles to each other by means of screws.

It includes symbols for electronic and electrical design that can be traced using a drawing pencil.

It is used to indicate that the surface in the section view is imagined to have been cut along the cutting plane line.

It is used to mark or measure angles between 0 and 180°. They are semicircular in shape and are made of plastic.

These are the edges, or "outlines,” of an object. They are drawn as solid lines with a thick/heavy weight.

It used when it is desirable to shorten the view of a long part.