High-pressure welders perform high-level precision welding on pipes and high-pressure devices. These specialized welders perform preparatory work for high-pressure welding, repair welds on piping, and use various welding processes: shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), semi-automatic welding (GMAW), etc. This is a demanding but rewarding job that requires good visual acuity and excellent manual dexterity. A job as a high-pressure welder is suitable for responsible people who are perfectionists.