Aluminum corrosion can be prevented through several methods. One common approach is anodizing, which involves applying a protective oxide layer to the aluminum surface. This process enhances the metal's resistance to corrosion. Another method is using protective coatings such as paints or enamels that act as a barrier against corrosive elements. Cathodic protection, where aluminum is connected to a more easily corroded metal, can also be used. Additionally, ensuring proper design and avoiding contact with aggressive chemicals can minimize corrosion. Regular maintenance and inspection can help detect and address corrosion issues early.