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