Final answer:
In terms of safety measures, it is crucial to never allow materials, suppliers, or obstructions to block emergency exits.
Step-by-step explanation:
In terms of safety measures, it is crucial to never allow materials, suppliers, or obstructions to block emergency exits. These exits are designated pathways that allow for a swift evacuation in case of a fire or other emergencies. Blocking them can impede the safe evacuation of individuals and can have serious consequences. It is important to maintain clear and unobstructed access to emergency exits at all times.