In {HEAD ~ preferred embodiments} of {TAIL ~ the invention}, when the headlight is fitted on a vehicle, the said first and second straight line motions are effected along a horizontal axis and a vertical axis respectively 
of
In { HEAD ~ preferred embodiments } of { TAIL ~ the invention } , when the headlight is fitted on a vehicle , the said first and second straight line motions are effected along a horizontal axis and a vertical axis respectively
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