{HEAD ~ The system} also includes 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 
{ HEAD ~ The system } also includes 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
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH 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