This course is a course for those who want to know more about how to read welding symbols. AWS A2.4:2012 Standard Symbols for Welding, Brazing, and
Nondestructive Examination is the document that is used in North America to define welding symbols. This online course uses instructor voice over and power point presentations to provide instruction that will help the student understand basic welding symbols.
Introduction to Welding Symbols is a great start for those who want to understand the hidden language of welding symbols.