Breadcrumb Home Welding Technology WLDG 1306 WLDG 1306: Fundamentals of Gas Tungsten Arc Welding (GTAW) Download as PDF Class Program Welding Technology Credits 3 Lecture Hours 1 Lab Hours 2 CIP 48.0508 Fundamentals of Gas Tungsten Arc Welding (GTAW). Includes setup and safe use of GTAW equipment as well as instruction in flat positions on joint designs.