{HEAD ~ The transparent portions} of the display bar 16 would reveal {TAIL ~ the color key} while also revealing the BC or NBC indicator 
reveal
{ HEAD ~ The transparent portions } of the display bar 16 would reveal { TAIL ~ the color key } while also revealing the BC or NBC indicator
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH