Copying pencil Copying pencil A copying pencil, also indelible pencil or chemical pencil, is pencil whose lead contains a dye. The lead is fabricated by adding a dry water-soluble permanent dye to powdered graphite—used in standard graphite pencils—before binding the mixture with clay. Copying pencils were introduced in the 1870s and were originally marketed for copying documents, especially for making permanent copies of a permanent original. This was achieved by creating a hand-written document using a copying pencil, laying a moist tissue paper over the document and pressing down with a mechanical press. The water-soluble dye in the writing would be transferred
2–0 lead is the worst lead 2–0 lead is the worst lead "2–0 lead is the worst lead" is a cliché used in sporting contests, to describe the situation in which one team is leading by a score of 2–0. The phrase is most common in association football, where it is sometimes applied only to the scoreline at half-time. It is sometimes also encountered in other sports where 2-0 is a moderately large lead, such as ice hockey. The underlying concept is that, a team which is leading 2-0 will be complacent and have a 'false sense of security' in their lead. If the trailing team