In the article, the study results show that under the volunteers’ conditions of the experiment on the physiology and psychoemotional state, they influence their subjective assessment. We had interviewed 48 volunteers. Volunteers used medical masks (type II, registered in the Republic of Belarus) for experimental studies. We have studied the physical and psycho-motional state of volunteers on the based on their subjective assessment when using masks in an experimental situation for three days while modeling working conditions in three categories of work Ib, IIa, IIb. As a result of the study, it was found that in the conditions of the experiment with an increase in the level of energy consumption among volunteers when using medical masks, the number of complaints indicating the development of fatigue increases, discomfort in the face is more often observed, while most volunteers don’t associate the use of medical masks with changes in their physical and psychoemotional state.
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