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.
Lead Upturn 2018: Milestone Lead Upturn 2018: Milestone Lead Upturn 2018: Milestone (stylized as "Lead Upturn 2018 ～MILESTONE～") will be the twenty-first video and fifteenth overall concert video released by the Japanese hip-hop group Lead. The concert video is set to be released on December 19, 2018. The tour is due to correspond with their eighth studio album, "Milestone", along with songs from previous albums, including "Baby'cuz U!" from "4" (2006), "Get Dizzy!" from ""Feel The Vibes"" (2008) and "What cha gonna?" from "Brand New Era" (2004). "Lead Upturn 2018 ~Milestone~" is set to be the twenty-first video and fifteenth overall concert video released