These welding gloves are designed to protect your hands while welding. They are made from durable, heat-resistant materials that provide a comfortable fit and maximum protection. The gloves have a reinforced palm and thumb for extra protection and are designed to be flexible and breathable. They are ideal for welding
From Wikipedia
Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperatures to melt the parts together and allow them to cool, causing fusion. Common alternative methods include solvent welding using chemicals to melt materials being bonded without heat, and solid-state welding processes which bond without melting, such as pressure, cold welding, and diffusion bonding.