Either intermediary product may be further processed: a) in air to produce metal oxide b) in {HEAD ~ an inert environment} to produce metal oxide on carbon substrate c) in a reducing environment to produce elemental metal distributed on {TAIL ~ carbon substrate} 
Either intermediary product may be further processed : a ) in air to produce metal oxide b ) in { HEAD ~ an inert environment } to produce metal oxide on carbon substrate c ) in a reducing environment to produce elemental metal distributed on { TAIL ~ carbon substrate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL