Breadcrumb Home Welding Technology WLDG 1302 WLDG 1302: Fundamentals of Gas Metal Arc Welding Download as PDF Class Program Welding Technology Credits 3 Lecture Hours 1 Lab Hours 2 CIP 48.0508 Fundamentals of Gas Metal Arc Welding (GMAW). Includes setup and safe use of GMAW equipment as well as instruction in various basic weld joints.