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Ticket gate
Aya K
Aya K May 07, 2013
Ticket gate

I've seen these sensors...

Often 5
Occasionally 3
Rarely 1
Never 1
What is it? 0
0 Comments     10 Tags
Similar Photos: this is used by us in work frequently. very useful. measures distance accurately. A sensor for senior citizen card for pedestrian crossing which enables longer time for crossing. Awesome Opera Stage Designs

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