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This is the underground's card of Valparaíso, Chile
carolina O
carolina O May 08, 2013
This is the underground's card of Valparaíso, Chile

I've seen these sensors...

Often 3
Occasionally 1
Rarely 0
Never 7
What is it? 1
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Similar Photos: Road toll system in Stockholm that allows drivers to get through without stopping and paying. Flow Rate Sensor. . http://www.vernier.c<wbr/><span class="wbr"></span>om/products/sensors/<wbr/><span class="wbr"></span>flo-bta/ Video analytics has a great potential for safety, maintenance, street cleaning, flood prevention, etc.

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