Repair techniques refer to methods used to fix or restore items that are damaged or malfunctioning. These techniques can vary widely depending on the object being repaired, such as electronics, furniture, or clothing. Common methods include soldering for electronic devices, stitching for fabric, and gluing or clamping for wood. In addition to these basic methods, specialized tools and materials may be used to enhance the repair process. For example, epoxy can provide a strong bond for broken items, while 3D printing can create replacement parts for machinery. Understanding these techniques can help extend the life of various products.