#Fresnel_lens  lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
  supertype:  #lens_system__lens  a transparent optical device used to converge or diverge transmitted light and to form images
  part of:  #headlight__headlamp  a powerful light with reflector; attached to the front of an automobile or locomotive
     part of:  #electrical_system__electrical_part  equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio
        part of:  #motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails
  part of:  #searchlight  a light source with reflectors that projects a beam of light in a particular direction

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