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School on the Bridge
sandipan S
sandipan S May 06, 2013
School on the Bridge

I've seen these sensors...

Often 1
Occasionally 1
Rarely 1
Never 3
What is it? 4
1 Comment     10 Tags
Similar Photos: red light sensor with green light showing Temperature Sensor from Precision Linear Systems used in Temples,This is an advanced baggage scanner which has recently gained EU Liquid Explosive Detection Systems (LEDS) Standard.

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