I would have to agree with Keith. Pb has been around forever (at least since roman times) and was mined by iteslf, not as a byproduct Gallium is mines as a byproduct of Zinc mining. Originally it was left in the waste and piled high in landfills, but recently has begun to be recovered for its own sake. mark mark Mark Woolley |PTRL Laboratory | Avaya | 1300 West 120th Ave | Westminster, CO 80234 USA | Voice (Lab): (303) 538-2166 | email: [log in to unmask] | -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Keith Calhoun Sent: Friday, January 28, 2011 6:19 AM To: [log in to unmask] Subject: Re: [TN] NTC Friday Element Quiz - the Question Gallium? Keith S. Calhoun Manufacturing Engineering Manager SoPark Corporation 3300 South Park Avenue Buffalo, New York 14218 Phone: 716-822-0434 ext. 237 Fax: 716-822-5062 Email: [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman Sent: Friday, January 28, 2011 8:12 AM To: [log in to unmask] Subject: [TN] NTC Friday Element Quiz - the Question Hi folks - Here is the Friday Element Quiz Question: The Question: The price of this element has increased by a factor of 6 during the last 2 decades of the 20th Century. The majority of the world production of this element comes from fume/dust/slags from Zinc mining. This element is a superconductor below 3.37K. This element does not oxidize in room temperature air. Which element is being described? The winner of this week's quiz will get the exclusive use of Clumpy's services. Hey Bev - what did Clumpy finally accomplish for you? So far Clumpy has: Week 1 Lamar Young, SCS Coatings - accomplished nothing (drank lots of coffee) Week 2 Bev Christian, RIM - conducted REACH material testing Week 3 Drew Meyer, Benchmark Electronics Inc. - Solderability testing and mowed the lawn Week 4 Ian Fox, Goodrich - had an epic journey of travel Week 4 Gary Ferrari, Garrick Global - unknown Week 5 Fredrick Miller, Astrolab - unknown Week 6 David Nelson, Raytheon - Was a tackling dummy for Dallas Cowboys Week 7 Graham Collins, L3 Communications - Cleaned gutters and painted window trim Week 8 Bill Noel, ITT Geospatial Systems Division - unknown Week 9 Steve Gregory of RD Circuits - unknown Week 10 David Bealer of Watchfire Signs - descaled the in-line wash machine! Ouch! Week 11 Dick Krug of Sparton Corporation - assisted with AS9100 quality management systems requirements audit Week 12 Steve Creswick of Balanced Enterprise Solutions - Acted as Steve's "go fer" due to a broken leg! Week 13 Gebhard Neifer, Delphi - conducted a plasma pre treatment Taguchi DOE for a sealing process Week 14 Bev Christian, RIM - ???? Good Luck. Dave Hillman Rockwell Collins [log in to unmask] ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. 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