a plurality of wear strips, each of {HEAD ~ said wear strips} having {TAIL ~ a c shaped cross section} and being disposed around a number of said anchor plates 
having
a plurality of wear strips , each of { HEAD ~ said wear strips } having { TAIL ~ a c shaped cross section } and being disposed around a number of said anchor plates
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH