{HEAD ~ Only one additional mask} is needed to fabricate {TAIL ~ this device} in addition to the others normally encountered in a VLSI logic process 
is needed to fabricate
{ HEAD ~ Only one additional mask } is needed to fabricate { TAIL ~ this device } in addition to the others normally encountered in a VLSI logic process
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH