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Electrical sensor for individual people
Cedric B1
Cedric B1 May 04, 2013
Electrical sensor for individual people

I've seen these sensors...

Often 3
Occasionally 1
Rarely 2
Never 5
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Similar Photos: highway traffic light sensor Beginning Nov. 2012, these dashboard devices are detected by sensors & allow for toll road use at different access levels<br/><br/>credit: ABCnews I used this outside my local bistro. I love that I don't need to keep change in my car any more.

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