What is the spinning thing on top of this car? : r/whatisthisthing
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What's the Spinning Thing on Top of UPS Trucks?
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What is the spinning thing on top of Amazon trucks? : r/NoStupidQuestions
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What is this round spinning thing on the back of a utility truck? It only spun when the van was moving. : r/whatisthisthing
What is the spinning thing on top of Amazon trucks? : r/NoStupidQuestions
What is this thing on top of this van? It was spinning if that helps anything : r/whatisthisthing
What is this black Spinning thing on top of big black van? Ot speeds up and slows down, relative to the vehicle speed. I though maybe self driving radar, but maybe just
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What is this thing spinning on top of this van? : r/whatisthisthing