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