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2007-05-09 09:07:00 · 1 answers · asked by Nikita S 1 in Sports Other - Sports

1 answers

Are you asking the % using it. - Don't know but hope its low as they can be dangerous.

Are you asking why? Mostly it would be to improve performance.

2007-05-10 07:34:36 · answer #1 · answered by SoccerClipCincy 7 · 0 0

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