SHARPENING THE PENCIL
Lead of a pencil should always be kept sharp, only a sharp lead is capable of
producing clean black lines that sparkle with clarity. For wooden pencils, lead is
opened approxiately 1/2" in length and then required shape of is made over
sandpaper pad. For cone-shaped lead, pencil is rotated in hand while sharpening and a
very fine cone is made having at least 3/8" length and ending in a perfect wedge point.
For chisel-shaped pencil, grinding of lead is done from the two opposite side and for the
lead to be used in compass, grinding is done from one side.
ss, grinding is done from one side.