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sandipan S
sandipan S May 06, 2013
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I've seen these sensors...

Often 3
Occasionally 0
Rarely 1
Never 2
What is it? 5
1 Comment     11 Tags
Similar Photos: the only sensors that I know in my city is wi-fi technology<br/>http://www.comune.va<wbr/><span class="wbr"></span>llodellalucania.sa.i<wbr/><span class="wbr"></span>t/ http://ab.rockwellau<wbr/><span class="wbr"></span>tomation.com/Sensors<wbr/><span class="wbr"></span>-Switches/Miniature-<wbr/><span class="wbr"></span>Photoelectric-Sensor<wbr/><span class="wbr"></span>s/Flat-Pack-Photoele<wbr/><span class="wbr"></span>ctric-Sensors On my bike ride this morning, I took this picture of pavement sensors under the road that sense when to change the traffic light.

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