{HEAD ~ The jacket} is moved laterally in front of the second separating unit and is opened by {TAIL ~ an opening blade} 
is opened by
{ HEAD ~ The jacket } is moved laterally in front of the second separating unit and is opened by { TAIL ~ an opening blade }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL