A method 1 operated as {HEAD ~ a continuous process} with {TAIL ~ metal oxide} being provided to the crucible and recovered metal being collected at the lip 
with
A method 1 operated as { HEAD ~ a continuous process } with { TAIL ~ metal oxide } being provided to the crucible and recovered metal being collected at the lip
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH