How do you effectively clean copper bottom pans to maintain their shine and durability?

To effectively clean copper bottom pans and maintain their shine and durability, mix equal parts of vinegar and salt to create a paste. Apply the paste to the pan, scrub gently with a sponge or cloth, and rinse thoroughly with water. Dry the pan immediately to prevent water spots. Additionally, regularly polish the copper with a commercial copper cleaner to keep it looking shiny and prevent tarnishing.