According to the invention, in a method of reducing metal oxide, the oxide is supplied to molten metal in a crucible and is carried by {HEAD ~ circulation} of {TAIL ~ the molten metal} in the crucible in a reducing atmosphere to a lip over which the recovered metal flows for collection 
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According to the invention , in a method of reducing metal oxide , the oxide is supplied to molten metal in a crucible and is carried by { HEAD ~ circulation } of { TAIL ~ the molten metal } in the crucible in a reducing atmosphere to a lip over which the recovered metal flows for collection
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH