| 摘要 |
A cyclops light as now mandated by law on the panel above the rear doors of a van is relocated as side-by-side lights to the inside adjacent corners of the doors and each provided with a triad of lens so that, when a door is open, as when loading and unloading the van, the light now seen through the triad lens is a safety signal to a motorist approaching from the rear, and the light seen through the previously used rear lens is still in use, but as a safety signal to a motorist approaching from the front in a passing lane.
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