In {TAIL ~ the upright position}, {HEAD ~ the pivotable brace members} are aligned and the telescopic brace members would be extended to their maximum 
In
In { TAIL ~ the upright position } , { HEAD ~ the pivotable brace members } are aligned and the telescopic brace members would be extended to their maximum
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH