{TAIL ~ The structure} 10 has {HEAD ~ many uses}, one of which is illustrated in FIG 12 
{ TAIL ~ The structure } 10 has { HEAD ~ many uses } , one of which is illustrated in FIG 12
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH