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wedding invitation card
sandipan S
sandipan S May 06, 2013
wedding invitation card

I've seen these sensors...

Often 2
Occasionally 2
Rarely 1
Never 2
What is it? 4
1 Comment     11 Tags
Similar Photos: high technology sensor for testing car speed detection This is automatic book lending machine in library of Ochanomizu University. (Tokyo) Heliostats, basically smart mirrors, rotate to reflect sunlight toward a predetermined target, like the area between high rise buildings.

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