![]() ![]() In a warm environment, especially when physically active, the human body relies on its ability to get rid of excess heat (i.e., heat dissipation) to maintain a healthy internal body temperature. Manufacturing with hot local heat sources, like furnaces (e.g., paper products or concrete) Hazardous heat exposure for Indoors or Outdoors Outdoorsīakeries, kitchens, and laundries (sources with indoor heat-generating appliances)Ĭonstruction – especially, road, roofing, and other outdoor workĮlectrical utilities (particularly boiler rooms) The following is a list of some industries where workers have suffered heat-related illnesses. Hazardous heat exposure can occur indoors or outdoors, and can occur during any season if the conditions are right, not only during heat waves. ![]() (See also, personal risk factors, below.) Occupational risk factors for heat illness include heavy physical activity, warm or hot environmental conditions, lack of acclimatization, and wearing clothing that holds in body heat. Lack of acclimatization represents a major risk factor for fatal outcomes. The process of building tolerance is called heat acclimatization. Most outdoor fatalities, 50% to 70%, occur in the first few days of working in warm or hot environments because the body needs to build a tolerance to the heat gradually over time. Although illness from exposure to heat is preventable, every year, thousands become sick from occupational heat exposure, and some cases are fatal. workers are exposed to heat in their workplaces. ![]()
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