{HEAD ~ The shutter} 69 is located in {TAIL ~ a light passageway} from the light bulb 61 to the projection lens 68, preferably in the vicinity of a focus of the projection lens 68 
is located in
{ HEAD ~ The shutter } 69 is located in { TAIL ~ a light passageway } from the light bulb 61 to the projection lens 68 , preferably in the vicinity of a focus of the projection lens 68
HEAD HEAD HEAD HEAD HEAD HEAD OTH 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 OTH OTH OTH OTH OTH OTH OTH