Which safety measure is important for working with hazardous materials?

Wearing protective clothing is a critical safety measure when working with hazardous materials because it helps to prevent direct contact between the hazards and the skin or respiratory system. Protective clothing, such as gloves, goggles, masks, and full-body suits, is specifically designed to shield workers from chemical spills, splashes, fumes, or airborne particles that could pose serious health risks.

By using appropriate protective gear, individuals reduce their risk of injuries such as chemical burns, irritation, respiratory issues, or long-term health effects that may arise from exposure to harmful substances. This measure not only enhances personal safety but also encourages a culture of safety awareness in the workplace, ensuring that all workers understand the importance of protecting themselves while handling hazardous materials.

In contrast, the other options do not contribute effectively to safety. For instance, working alone can increase the risk of accidents without immediate assistance available, ignoring safety protocols can lead to dangerous situations, and managerial notice does not provide any direct protection to workers in the moment of exposure. Therefore, wearing protective clothing remains the most vital safety measure in this context.