After eleven years in the garage, I have seen how the grind wears down even the...

https://echo-wiki.win/index.php/Broad_Spectrum_vs._Full_Spectrum:_Why_Motorsports_Professionals_Need_to_Know_the_Difference

After eleven years in the garage, I have seen how the grind wears down even the toughest crews and drivers. Dealing with 120°F cockpit temperatures and 5 to 10 pounds of sweat loss per race requires more than just extra sleep