To maintain aluminum coils, follow these steps: Keep them clean by wiping off any dust or debris. Store them in a dry environment to prevent corrosion. Avoid stacking heavy objects on top to prevent deformation. Regularly inspect for any signs of damage or wear. Use appropriate handling equipment to avoid scratches or dents. Apply a protective coating if exposed to harsh conditions. Ensure proper ventilation during storage to prevent condensation. By following these practices, you can prolong the life and maintain the quality of aluminum coils.