The invention solves {HEAD ~ this problem} for {TAIL ~ a device} of said species and will be described below 
for
The invention solves { HEAD ~ this problem } for { TAIL ~ a device } of said species and will be described below
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH