Suction cup-type headlamp aiming equipment may be used on:
lenses with protruding pegs.
assemblies with internal adjustments.
a projection type headlamp.
an HID type headlamp.

Suction cup-type headlamp aiming equipment may be used on "assemblies with internal adjustments".

Option B

Explanation:

The suction cup type aiming equipment uses protruding pegs built into the headlamp lens. Without such pegs headlamps have no use to such equipment. Such headlamps are that adjusts the assembly but not only the beam of light.

Some assemblies also adjust the beam inside the headlamp as the exterior section of the assembly does not move with the adjustment. The suction cup need the lens to be smooth as the cup will not attach to a lens with raised letters.

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