From the Hobart Institute of Welding Technology
These courses provide a simple yet complete method for students to learn and understand the principles of welding symbols, symbols for nondestructive examination, blueprint reading and pipe layout.
Each page is designed to teach a small amount of information which is reinforced through an action/ problem and self-check.
Each page builds for the next as the student learns in an efficient and rewarding manner.
These books are loose leaf paper.
