{HEAD ~ A workpiece carrier carousel} is rotationally drivable about the axis in {TAIL ~ the ring gap} 
{ HEAD ~ A workpiece carrier carousel } is rotationally drivable about the axis in { TAIL ~ the ring gap }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL