Fusion welding processes for metal materials according to the following standards:

• EN 287-1.EN 287-2 ,EN ISO 9606-2 ,EN 1418 ,EN 13133,EN 13067,
• SMAW 111, shielded metal arc welding,
• MAG-135, metal active gas welding with CO2,
• TIG (WIG)-141, tungsten inert gas welding,
• 141/111 combination of welding processes ,
• hot gas welding.