Final answer:
When transporting hazardous materials on a bus, proper labeling and storage are essential to ensure safety for passengers and handlers.
Explanation:
When carrying hazardous materials on a bus, they must be labeled appropriately to indicate their nature and potential hazards. Storing hazardous materials in the passenger compartment is unsafe as it can endanger passengers. Packing hazardous materials in a yellow box is not a standard requirement but following specific labeling guidelines is crucial.
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