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