Extraction method?
Common uses include: [leaded glass]? (see [glass making]?), [lead piping]? (not much lead piping these days). It can be form into an alloy with many other metals making pewter?, solder, [dentistry filling]?. Also used as flashing on roofing to protect joins from rain. And to hold bits of glass together in a window.
Is poisonous.
lead the metal is different from lead as in dog.