It is an object of {HEAD ~ the present invention} to provide {TAIL ~ a more cost effective, efficient energy absorber} 
to provide
It is an object of { HEAD ~ the present invention } to provide { TAIL ~ a more cost effective , efficient energy absorber }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL