When can persons be transported in beds of mobile equipment?

The correct response focuses on the necessary safety measures that must be in place to ensure the protection of individuals being transported in the beds of mobile equipment. Transporting people in the beds of mobile equipment can pose significant risks, including the likelihood of accidents and injuries if not managed properly.

By stating that individuals may be transported if measures are taken to prevent accidental unloading, it emphasizes the importance of implementing safety protocols. These measures can include features like safety rails, seat belts, or other mechanisms designed to prevent individuals from falling out or being injured during transport.

This approach prioritizes the safety of passengers and acknowledges that while transporting individuals is generally discouraged in these scenarios, it is permissible under strict safety conditions. Proper training for operators and adherence to established safety guidelines are critical in making this practice safer.

The other options suggest conditions that are insufficient or too restrictive without the necessary focus on safety measures, which are essential for transporting individuals in such environments.