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Thats got to be one of the stupidest questions you've posted in a long time... The laser verifies the actual speed being traveled. The visual estimation is just a part of using the laser to obtain the actual speed. So while in some cases a visual estimate is plenty, it is just a single step in an entire process when using the laser.
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"Never give a match up halfway through. Never say that you do not feel up to it, that your condition is bad, and throw in the towel. Fight to the very end, always looking for your chance to break through." - Kazuzo Kudo
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