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 then scores to make it 2-1, the leading team can panic and concede further, resulting in a draw, or even a win for the other team. In contrast, a team which is leading 1-0 will tend to concentrate and play with intensity to protect or extend their narrow lead, whilst teams leading by three or more goals have a sufficiently large buffer that comebacks are unlikely. The cliché may be invoked by coaches to encourage their players to maintain effort levels after obtaining a two-goal lead. It can also be used in broadcasting, such as by a commentator or studio