A vehicle headlight has a cam mechanism for displacing the reflector and {HEAD ~ the light source} of the headlight with respect to each other, between two relative positions in which the headlight emits {TAIL ~ two different types} of light beam 
A vehicle headlight has a cam mechanism for displacing the reflector and { HEAD ~ the light source } of the headlight with respect to each other , between two relative positions in which the headlight emits { TAIL ~ two different types } of light beam
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH