Crosswords1 min ago
Escalators....
8 Answers
Why do the rubber hadrails move faster than the steps?
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No best answer has yet been selected by jd_here. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.According to this, they don't move faster ... I think they just seems to:
http:// science .howstu ...ipme nt/esca lator1. htm
http://
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