The feed mixer apparatus 6 wherein said first auger includes {HEAD ~ a first set} of {TAIL ~ knives} 
of
The feed mixer apparatus 6 wherein said first auger includes { HEAD ~ a first set } of { TAIL ~ knives }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL