#headlight__headlamp  a powerful light with reflector; attached to the front of an automobile or locomotive
  supertype:  #light_source__lightsource__light  any device serving as a source of illumination; "he stopped the car and turned off the lights"
  subtype:  #foglamp  headlight that provides strong beam for use in foggy weather
  part of:  #electrical_system
  part:  #Fresnel_lens  lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length

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