Black annealed wire is widely used in construction for its flexibility and ease of use. To extend its lifespan, it is important to prevent rust and other forms of corrosion. This can be achieved through regular cleaning and applying a light coat of oil or a specialized rust inhibitor. Additionally, storing black annealed wire in a dry, ventilated area will help prevent moisture buildup, which can lead to rust. By taking these preventive measures, you can ensure that your black annealed wire remains in good condition and continues to perform well in its intended applications.