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