Copying pencil the wound. Such risks are not associated with ordinary graphite pencils. While these symptoms may appear after a couple of days they often develop only after weeks have passed since the injury was sustained. Surgery is required to remove the dye and the infected tissue and "the necrotizing action may be so severe and extensive amputation is necessary". 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
Nord Lead Nord Lead The Nord Lead is a series of virtual analog subtractive synthesizers, manufactured by Clavia. Released in 1994, the original Nord Lead was the digital synthesizer that made the term "virtual analog synthesis" popular. The now widely accepted term "virtual analog", was first coined by Clavia with the release of the Nord Lead. This synthesizer was distinctive for its red coloration, knob-laden surface and unique pitch-stick and modulation wheel. After the Nord Lead, several updates followed suit; such as the Nord Lead 2, Nord Lead 3, and Nord Lead 2x. The first Nord Lead was released in 1995 to