This course provides students with a comprehensive understanding of the principles, functions and processes of welding, history and development of welding technology, Acetylene welding, Lintric arc welding, MIG welding, TIG welding, main welding equipment, auxiliary equipment, personal protective equipment (PPE), welding joints. , electrode code, welding symbols, welding position, criteria for good welding results, various weld defects and their anticipation, as well as techniques for checking weld results.