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