The apparatus 1 wherein {HEAD ~ the teeth} are bolted to {TAIL ~ the beam} and the cutting flanges are bolted to the teeth so the teeth and the cutting flanges may readily be replaced 
are bolted to
The apparatus 1 wherein { HEAD ~ the teeth } are bolted to { TAIL ~ the beam } and the cutting flanges are bolted to the teeth so the teeth and the cutting flanges may readily be replaced
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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