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A Pakistan Motorway Police Officer measuring the speed of vehicles
Shahrukh K
Shahrukh K May 08, 2013
A Pakistan Motorway Police Officer measuring the speed of vehicles

I've seen these sensors...

Often 9
Occasionally 5
Rarely 1
Never 1
What is it? 0
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Similar Photos: Air cushion in ETFE that can auto check its pressure and can shade in different way as they inflate. Same material used on allianz arena car parking convenience the most popular taxi app in China. In this case both driver and client's smartphone act as a sensors exchanging information to eachother.

Idea Collaboration by  MindMixer