Cartridge 24 preferably includes a lip seal that prevents {TAIL ~ ingress} of {HEAD ~ dust} into the cartridge 
Cartridge 24 preferably includes a lip seal that prevents { TAIL ~ ingress } of { HEAD ~ dust } into the cartridge
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH