![](http://www.alamy.com/thumbs/6/F01FB665-ACFA-478C-8272-C9DE2E68E2CB/2F6C860.jpg)
Scale with arrow. The lactic acid measuring device. Sign tachometer, speedometer, indicator.
Size: 5000px × 5000px
Photo credit: © Evgeny Gromov / Alamy / Afripics
License: Royalty Free
Model Released: No
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