According to the query of the diced bean. The screws of the steel bar formwork can be welded and fixed with the steel bar, so that our use effect will be safer.
Welding, also known as fusion, is a manufacturing process and technology to connect other thermoplastic materials such as metal or plastic by heating, high temperature or high pressure. Modern welding has many energy sources, including gas flame, arc, laser, electron beam, friction and ultrasonic wave.