What safety equipment should be checked during the pre-trip inspection?

The correct answer highlights the importance of checking multiple key safety items during a pre-trip inspection to ensure the vehicle is properly equipped for emergencies. A fire extinguisher is crucial for addressing small fires that may occur during transit, while a first aid kit provides essential supplies for treating minor injuries that might arise on the road. Reflective triangles are vital for warning other drivers in case of a breakdown or emergency, significantly enhancing roadside safety.

Incorporating all three items into the pre-trip inspection reinforces a comprehensive approach to safety, ensuring that the vehicle is prepared for various scenarios that could compromise the well-being of passengers and the driver. This thoroughness is essential because relying solely on one or two types of equipment could lead to inadequate preparedness for unexpected incidents.