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
Lead single with the release of "Formation" in 2016, which served as the lead single to her sixth studio album. The song, accompanied by its music video, was uploaded to Tidal without previous announcement by Beyoncé. Lead single A lead single is usually the first single to be released from a studio album, by a musician or a band, before the album itself is released. During the era of the phonograph record, all music arrived in the marketplace as what is now termed a single, one potential hit song backed by an additional song of generally less commercial appeal on a single