Due to safety requirements to protect
workers against hazardous gases and dust, wearing protective
air-purifying respiratory devices tends to increase heat
load on the workers. To the best authors knowledge no study
assessed protective air-purifying respiratory devices in the
harsh weather and tried to recommend one(s) in the heat. The
goal of this project was to study the effect of different
types of air-purifying respiratory devices (six devices) and
different levels of heat stresses on the...