NICKEL
NICKEL FORMS MANY ALLOYS WHICH ARE USED IN HUNDRIEDS OF INDUSTRIES IN MANY WAYS.NICKEL IS FOUND IN METEORITESA ,AND IT IS SOME TIMES FOUND IN THE FREE STATE .BUT THE GREATEST SUPPLAY OF NICKEL IS OBTAINED FROM CERTAIN ORES CALLED PYRRHOTITE,WHICH IS MINERALCONTAINING IRON ,COPPER ,AND NICKEL.CANADA IS THE GREASTEST OF ALL NICKEL PRODUCING COUNTRIES.MOST NICKEL GOES INTO THE MAKING OF AN ALLOY WHICH CAN WITHSTAND REPEATED STRAINS.IT IS USED IN STRUCTURL WORK ,BRIDGES,RAILROAD RAILS AT CURVES ,RIVETS,LOCOMOTIVE BOILERSAUTOMOBILE GEARS AND AXLES ,AND THE DIPPER TEETH OF STEAM SHOVELS
Thursday, March 27, 2008
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