How can I effectively remove black marks on stainless steel surfaces?

To effectively remove black marks on stainless steel surfaces, you can use a mixture of baking soda and water to create a paste. Apply the paste to the affected area and gently scrub with a soft cloth or sponge. Rinse the surface thoroughly with water and dry it with a clean towel. This method should help remove the black marks without damaging the stainless steel.