Pencil sharpener pencil in position, although they then sharpen them to the usual conical point as for a round pencil, abandoning some distinctive aspects of the carpenter's pencil. Sharpeners with a single blade for use on wax crayons are available, and sometimes included in boxes of crayons. These often have plastic blades, which are adequate for the soft wax. Mechanical pencils dispense the graphite lead progressively during use and thus do not require sharpening; such pencils are sometimes called "self-sharpening". A type of mechanical pencil has a rotating gear mechanism which rotates the lead slightly every time the lead is lifted off
Lead-in throughout the publication. Lead-in A lead-in is a short phrase, usually five words or less, that starts off a photo caption in a newspaper, high school yearbook, magazine or other publication. Lead-ins (a.k.a. "kickers") are used to catch the reader's attention and "lead in" to the main caption. These phrases widely range from common phrases to song lyrics, and are written appropriate to the subject matter of the photograph. Examples of lead-ins include the following: Editors and caption writers tend to "avoid" using clichés and obvious lead-ins (e.g., "Two heads better than one," "Whistle while you work," etc.); and also