{HEAD ~ The box type end} 10 includes {TAIL ~ a circular peripheral wall} defining a chamber therein for receiving a rachet wheel 11 therein 
includes
{ HEAD ~ The box type end } 10 includes { TAIL ~ a circular peripheral wall } defining a chamber therein for receiving a rachet wheel 11 therein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH