In this disclosure there is shown and described only preferred embodiments of the invention and but {HEAD ~ a few examples} of {TAIL ~ its versatility} 
of
In this disclosure there is shown and described only preferred embodiments of the invention and but { HEAD ~ a few examples } of { TAIL ~ its versatility }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL