In {HEAD ~ an aspect} of {TAIL ~ the invention}, the “tall” structure can comprise can comprise one or more OLETs 
of
In { HEAD ~ an aspect } of { TAIL ~ the invention } , the “ tall ” structure can comprise can comprise one or more OLETs
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH