At {TAIL ~ this position} the platform structure 12 is unfolded such that the three plates 44, 46 and 48 are substantially horizontal and in fully coplanar alignment to each other while {HEAD ~ the roll stop plate} 14 is at the vertical raised position 
At { TAIL ~ this position } the platform structure 12 is unfolded such that the three plates 44 , 46 and 48 are substantially horizontal and in fully coplanar alignment to each other while { HEAD ~ the roll stop plate } 14 is at the vertical raised position
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH