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Mobile tower in Dhaka
Md A
Md A May 06, 2013
Mobile tower in Dhaka

I've seen these sensors...

Often 3
Occasionally 2
Rarely 0
Never 0
What is it? 0
0 Comments     5 Tags
Similar Photos: Carbon Monoxide Sensor http://www.ohgizmo.c<wbr/><span class="wbr"></span>om/2012/12/10/doorbo<wbr/><span class="wbr"></span>t-shows-you-whos-at-<wbr/><span class="wbr"></span>the-door-and-lets-yo<wbr/><span class="wbr"></span>u-tell-them-to-buzz-<wbr/><span class="wbr"></span>off-if-theyre-unwant<wbr/><span class="wbr"></span>ed/ Induction-loop traffic light sensors — it's like the pedestrian crossing button, but for cars. Minimizing idle time at traffic lights.

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