During which phase is the pre-shift examination typically conducted?

The pre-shift examination is an essential safety procedure conducted to assess conditions and ensure that the working environment is safe before any workers enter the mine. This phase is critical for identifying potential hazards, such as unstable ground conditions, equipment malfunctions, or other safety risks that could endanger workers' lives. Conducting this inspection before workers enter the mine allows for necessary preventive actions to be taken, ensuring that the environment is safe and compliant with regulations for operational activity.

In the context of this question, conducting the examination before workers enter the mine directly aligns with safety protocols and regulatory requirements geared towards minimizing risks. This proactive approach is crucial for maintaining a safe work environment and protecting the workforce from potential hazards that could exist within the mine.