{HEAD ~ The present invention} relates generally to municipal waste processing systems and more particularly to {TAIL ~ an apparatus} for opening garbage bags 
relates particularly to
{ HEAD ~ The present invention } relates generally to municipal waste processing systems and more particularly to { TAIL ~ an apparatus } for opening garbage bags
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH