What should be ensured regarding drill holes when working in a mining environment?

When working in a mining environment, it is crucial to ensure that drill holes are appropriately managed to prevent hazards. This is essential because improperly managed drill holes can pose significant safety risks to miners and equipment. For instance, open or abandoned drill holes may create tripping hazards or lead to accidents if they are not clearly marked or secured. Furthermore, without proper management, drill holes can become sources for groundwater contamination or may compromise the structural integrity of the mine itself. Therefore, implementing processes such as securing, filling, or clearly marking these holes is vital for maintaining a safe working environment. This careful management aligns with best practices in mining safety and regulatory compliance, helping to protect workers on-site.