{TAIL ~ Carbon} or graphite may be used in {HEAD ~ conjunction} with or instead of silicon carbide powder or other materials inert to the electrolyte used in the cell 
{ TAIL ~ Carbon } or graphite may be used in { HEAD ~ conjunction } with or instead of silicon carbide powder or other materials inert to the electrolyte used in the cell
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH