Which safety precaution should investigators take at a fire scene?

Wearing protective clothing and being aware of structural hazards is crucial for investigators at a fire scene because it ensures their safety while they conduct an assessment. The fire environment can be extremely unpredictable, with potential hazards such as unstable structures, sharp debris, toxic smoke, and hazardous materials present.

Protective clothing, such as fire-resistant gear, gloves, helmets, and visors, helps protect investigators from heat, sharp objects, and other dangerous elements. Additionally, being aware of structural hazards means that investigators can effectively assess the risk of partially collapsed structures or other dangers associated with the fire's impact. This vigilance helps prevent injuries and ensures that the investigation can proceed safely and effectively.

In contrast, wearing casual clothing would not provide the necessary protection, and ignoring hazardous materials could expose investigators to toxic substances or flammable materials. Relying solely on safety equipment without situational awareness would not be sufficient, as unexpected hazards can arise that require vigilance and proper judgment to navigate safely.