Individuals can identify and describe GTAW safety practices, electrical characteristics that affect GTAW and GTAW welding machines, torches, torch nozzles, electrodes, shielding gases and filler metals. They understand how to set up equipment and prepare for GTAW welding. They can select GTAW shielding gas, filler metal and tungsten electrode, connect shielding gas and set flow rate, and breakdown and reassemble a GTAW torch.