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Open Cube Inside A Loft
sandipan S
sandipan S May 06, 2013
Open Cube Inside A Loft

I've seen these sensors...

Often 0
Occasionally 1
Rarely 5
Never 7
What is it? 2
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Similar Photos: It is a pedestrian crossing sensor. Once people touch it, this displays a red sign which tells one can cross. It is widely used in Germany. LED sensor floor Electronic toll Plaza at Peshawar Motorway Pakistan

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