{HEAD ~ A plurality} of {TAIL ~ light focusing means} being disposed along the circumference of the editing wheel 
{ HEAD ~ A plurality } of { TAIL ~ light focusing means } being disposed along the circumference of the editing wheel
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH