The recessed end of the cradle 85 receives {TAIL ~ a correspondingly cambered end} 92 of {HEAD ~ the brush core} 55 
The recessed end of the cradle 85 receives { TAIL ~ a correspondingly cambered end } 92 of { HEAD ~ the brush core } 55
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH