{TAIL ~ The plug} is generally identified by {HEAD ~ the reference numeral} 10 in FIGS 1 and 2 
{ TAIL ~ The plug } is generally identified by { HEAD ~ the reference numeral } 10 in FIGS 1 and 2
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH