The shutter 69 prohibits or cuts off a portion of light rays converged in the vicinity of {TAIL ~ the focus} of the projection lens 68 which is unnecessary for the formation of {HEAD ~ a light distribution pattern} 
The shutter 69 prohibits or cuts off a portion of light rays converged in the vicinity of { TAIL ~ the focus } of the projection lens 68 which is unnecessary for the formation of { HEAD ~ a light distribution pattern }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD