Accordingly, {HEAD ~ the white light} emitted by {TAIL ~ each} of the latter two filaments is filtered by the colored sleeves, and these filaments thereby produce colored light 
emitted by
Accordingly , { HEAD ~ the white light } emitted by { TAIL ~ each } of the latter two filaments is filtered by the colored sleeves , and these filaments thereby produce colored light
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH