To find out more about our training courses, please visit: http://www.twitraining.com or http://www.twi-global.com for technical information. <br /> <br />This video is an introduction to the five most popularly used arc processes and describes the operation and metal transfer processes of each. <br />TWI run training courses on Manual Metal Arc Welding, MIG/MAG/FCAW, TIG Welding, Practical Brazing Appreciation and Oxyfuel Gas Cutting - Certificate of Competence