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A group of four efficient mine rescuers at the age of 25-35 years were exposed to a load at a cyclo-ergometer (stage A and B) and a hand ergometer (stage E) in a climate chamber. The total period of work of 120 min was divided into four work intervals, 30 min each. There were 5-min breaks between the individual intervals. The load at the ergometer was selected in the range of 25-150 W, T(g) = 20-40°C,...
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