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