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sandipan S
sandipan S May 06, 2013
Light Bubble

I've seen these sensors...

Often 3
Occasionally 2
Rarely 0
Never 2
What is it? 3
2 Comments     10 Tags
Similar Photos: no movement monitors for babies The pedestrian airbag from Volvo Public parking at the Chinook Mall in Calgary has sensors that turns the light green when the stall is vacant: safety up, emissions down.

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