How can I effectively clean copper pots to maintain their shine and appearance?

To effectively clean copper pots and maintain their shine and appearance, mix equal parts of vinegar and salt to create a paste. Apply the paste to the copper surface and gently scrub with a soft cloth or sponge. Rinse with water and dry thoroughly. Alternatively, you can use a commercial copper cleaner following the manufacturer's instructions. Regularly polishing with a copper polish can also help maintain the shine of your copper pots.