What does the inspector need to ensure about operation changes?

The focus of the correct answer is that changes to vehicle operations must not result in a situation where the vehicle leaves the inspection station without being properly reviewed and approved by an inspector or mechanic. This ensures safety and compliance with regulations, as any modifications made to a vehicle can significantly affect its performance and roadworthiness. An inspector or mechanic is trained to evaluate these changes to ensure that the vehicle meets all safety standards before it is allowed back on the road.

The necessity for oversight by trained personnel is critical because unauthorized changes could lead to potential hazards on the road. Thus, maintaining strict procedures regarding who can approve and oversee changes helps to safeguard both the integrity of the inspection process and the safety of the public.

Ensuring proper oversight directly contributes to public safety and upholds the standards expected from vehicle inspection practices.