On-vehicle headlight aligners are calibrated to the floor at the point where the alignment wheels contact the concrete.
Wheel alignment is known to be n aspect of standard automobile maintenance that is known to be made up of adjusting the angles of the wheels so that it can be able to set to the car in regards to the maker's specification.
Hence, based on the above, On-vehicle headlight aligners are calibrated to the floor at the point where the alignment wheels contact the concrete.
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