Lead to that of primary lead; some refining processes may be skipped depending on the material recycled and its potential contamination. Of the sources of lead for recycling, lead–acid batteries are the most important; lead pipe, sheet, and cable sheathing are also significant. Contrary to popular belief, pencil leads in wooden pencils have never been made from lead. When the pencil originated as a wrapped graphite writing tool, the particular type of graphite used was named "plumbago" (literally, "act for lead" or "lead mockup"). Lead metal has several useful mechanical properties, including high density, low melting point, ductility, and relative inertness.
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