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Uploaded by Caliosg on Jun 29, 2011
How does this trolley fail to work after travelling over a poxy faint red line.What is underneath the paving for this to happen.Thank You all
Science & Technology
Creative Commons Attribution license (reuse allowed)
beam sensor in the flower beds after the red line activates the magnetic brakes in the wheels if you carry the trolly above you head past the red line onto the car park it will still work
sammygirlie345 8 months ago
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beam sensor in the flower beds after the red line activates the magnetic brakes in the wheels if you carry the trolly above you head past the red line onto the car park it will still work
sammygirlie345 8 months ago