{HEAD ~ Workpieces} are manipulated between {TAIL ~ the receiving position} and the discharge position by supporting gripper arms on a platform mounted on a pivot shaft 
are manipulated between
{ HEAD ~ Workpieces } are manipulated between { TAIL ~ the receiving position } and the discharge position by supporting gripper arms on a platform mounted on a pivot shaft
HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH