What must guard all floor, roof openings, or holes into which a person can accidentally walk or fall through?

The correct answer emphasizes the importance of ensuring safety in areas where there is a risk of falls. To effectively guard floor, roof openings, or any holes that a person could accidentally walk or fall through, it is crucial to use a load-bearing cover. A load-bearing cover specifically provides a stable and secure barrier that can withstand the weight of a person or materials, preventing falls and injuries.

This approach is a fundamental aspect of fall protection measures mandated by safety regulations. By using a cover that is designed to support weight, it initiates proactive safety management, reducing the potential for accidents on a construction site or any elevated work area.

While railings, safety nets, and warning signs serve important roles in fall protection and hazard awareness, they do not substitute for the physical integrity provided by a load-bearing cover, which directly addresses the need to prevent accidental falls through openings. Therefore, using robust, load-bearing covers is essential for workplace safety in areas with fall hazards.