By adjusting {HEAD ~ the shape} of {TAIL ~ the shutter} 69, location of a cut off line of the light distribution pattern can be adjusted 
of
By adjusting { HEAD ~ the shape } of { TAIL ~ the shutter } 69 , location of a cut off line of the light distribution pattern can be adjusted
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH