👉 A welder is a person or an entity involved in welding, which is a process of joining two materials together by cutting and burning them. This activity involves using heat to melt and fuse metal into a continuous stream, forming a piece of metal or composite material. Welders are skilled professionals who use specialized tools and equipment, such as torches, welding rods, and electric arc furnaces, to achieve the desired shape and quality of the product.
