| Abstract: | Workers engaged into subsurface extraction of sand containing gold were proved to work in difficult conditions characterized by stable negative temperatures, high concentrations of dust, elevated levels of noise and vibration. The drill operators demonstrated extremely unfavorable changes of physiologic processes within a shift. Those changes were compromised cardiovascular regulation, early occurrence and intensive progress of fatigue. The authors provide recommendations to normalize the work conditions and to create rational scheme of work and rest for the occupations. |
