{HEAD ~ A drive cylinder} 2 is arranged by means of pillars 3 above {TAIL ~ a carriage} 31 
{ HEAD ~ A drive cylinder } 2 is arranged by means of pillars 3 above { TAIL ~ a carriage } 31
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH