This unit is intended to ensure the learner has the opportunity to develop the practical skills required to perform Tungsten Inert Gas (TIG) welding in the flat and horizontal/vertical positions. The learner will produce welds and visually assess that they are fit for propose against the requirements of the weld procedure (WPS) provided within the unit internal assessment. Furthermore, the learner will learn the fundamental underpinning knowledge relevant to the TIG welding process including, safety, use of equipment and choice of consumables.