{HEAD ~ The present invention} has reduced or eliminated {TAIL ~ the problems} associated with the prior art previously described 
eliminated
{ HEAD ~ The present invention } has reduced or eliminated { TAIL ~ the problems } associated with the prior art previously described
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH