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