Introduce your shop students to Gas Tungsten Arc (GTA) welding. Safety and attire is discussed. Then, students are shown how to set up a GTA welder, assess current and amperage and adjust gas flow. Seven welds in the flat and vertical positions are shown. Procedures and weld demonstrations include maintaining a puddle, stringer beads, butt weld, T-weld, outside corner and multi-pass fillet. Each weld is accompanied by expert narration and is followed by a discussion. A supplement is included.