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.
2–0 lead is the worst lead fact the worst possible lead. The cliché was popularized by Czech football coach and television commentator Josef Csaplár in the Czech football community. His use of the term suggested that a 2–0 half-time lead could only end in a defeat and the cliché is known in the Czech Republic as "Csaplár's trap" (Czech: "Csaplárova past"). In Serbia, the cliché is known for being used by manager and former player Milan Živadinović. The cliché was also used by Australian former player and TV broadcaster Johnny Warren. Television pundit and former English footballer Gary Lineker raised the cliché when commenting on a