In {HEAD ~ this view} {TAIL ~ the second roller} set 58 is better visible than in the previous Figures 
In { HEAD ~ this view } { TAIL ~ the second roller } set 58 is better visible than in the previous Figures
OTH HEAD HEAD HEAD HEAD HEAD HEAD TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH