Sheepdog Tip of the Day, Before Combat tip 148
During periods of intense physical labor, our body attempts to maintain a thermal balance by sweating. According to the FEMA Emergency Incident Rehabilitation guide, During periods of extreme exertion, some people may lose as much as 1 liter (about 1 quart or 2.2 pounds) of sweat per hour.
Christopher Brennan, The Combat Position: Achieving Firefighter Readiness
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