[Energy expenditure of workers in a copper mill]

The results of the studies of energetic expenditure at 63 different workstations in copper mill were presented. 212 determinations of energetic expenditure were performed with direct colorimetry. 11% of the workstations exhibited a high energetic expenditure and hazardous working environment conditions. The results imply the necessity to modernize the mill and improve the preventive activities within industrial health service.