The system also includes {HEAD ~ at least one cartridge} having {TAIL ~ a housing} and a feed mechanism disposed within the housing for advancing at least one of the plurality of packets toward an opening in the cartridge housing 
The system also includes { HEAD ~ at least one cartridge } having { TAIL ~ a housing } and a feed mechanism disposed within the housing for advancing at least one of the plurality of packets toward an opening in the cartridge housing
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH