The cambered end 92 of the brush core includes a pair of {HEAD ~ aligned slots} 93, 94 which receive {TAIL ~ the keys} 90, 91 of the cradle 85 
receive
The cambered end 92 of the brush core includes a pair of { HEAD ~ aligned slots } 93 , 94 which receive { TAIL ~ the keys } 90 , 91 of the cradle 85
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH