Final answer:
Regularly inspecting and maintaining electrical equipment and disposing of oily rags in a closed container are important safety practices that help prevent fires in a restaurant.
Step-by-step explanation:
In order to prevent fires in a restaurant, it is important to follow certain safety practices. One such practice is regularly inspecting and maintaining electrical equipment (Option C). This helps ensure that any potential electrical issues are addressed promptly, reducing the risk of fire caused by faulty equipment. Another important practice is disposing of oily rags in a closed container (Option D), as these rags can spontaneously combust if not properly stored.