{HEAD ~ Any} of the operational relationships updated at Step: 132 may be employed by {TAIL ~ the controller} 28 in future retarding gear determinations 
{ HEAD ~ Any } of the operational relationships updated at Step : 132 may be employed by { TAIL ~ the controller } 28 in future retarding gear determinations
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH