The employees and responsible persons in the mining industry are obliged to work with full attention for the safety of their lives and health as well as the lives and health of other employees, protection of mining facilities, work equipment and other material assets and to comply with the established safety and health measures at work. The employees and responsible persons who do not comply with the established measures of safety and health at work, fire protection and other measures within the mining operations, commit a serious violation of their work obligations. This paper presents the risks and protective measures, use and safe operation of a ball mill, used in the mining operation - grinding, without delay about any occurrence of danger during the performance of mining work, especially about the occurrence that may threaten the safety of employees, material goods and property and life and health of people.