Cuneiform Article
Because of its corrosion resistance, lead is used as a protecting sheath for underwater cables. Lead metal has a number of useful mechanical properties, including high density, low melting point, ductility, and relative inertness. Many metals are superior to guide in a few of these aspects but are generally much less common and tougher to extract from parent ores. In this course of, lead bullion and slag is obtained instantly from lead concentrates. The lead sulfide focus is melted in a furnace and oxidized, forming lead monoxide. Carbon (as coke or coal gas) is added to the molten charge together with fluxing brokers.