# Welding: concept, history, development - Welder's Handbook

Welding is a technical process used in a variety of industries, including mechanical engineering, metallurgy, and construction. It has been an integral part of the development of civilization since the beginning of metal application and fabrication. Throughout history, various methods of connecting metal parts have been used, including soldering and forge welding; the 20th century saw significant advances in welding, including the invention of the acetylene-oxygen welding torch and the development of electric arc welding under flux. The use of tungsten electrodes and gas and laser cutting further improved welding techniques. Today, welding continues to be a major technological process in modern industry.

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