Gas Tungsten Arc Welding I WELD 9033 Email to a Friend Learn the principles involved in the gas tungsten arc welding (GTAW/TIG) process with our Gas Tungsten Arc Welding I course, which covers both theory and application and rounds out the welding skills you developed in previous welding courses. Prerequisite(s) You must have completed our Welding Fundamentals Certificate or have experience with other welding processes. Contact Information 416-415-5000, ext. 4861 email@example.com Course Section(s) Available Class dates and registration for the upcoming year (September 2017 to August 2018) will be available on this website in early July 2017. Please visit this page again at that time. Some courses require you to purchase a textbook. The cost of the textbook is not included in the course fee unless otherwise indicated. If there is a textbook assigned for this course, it will be listed on the bookstore website.