Pass any pipefitter’s licensing and certification exam on the first try This highly effective self-study guide provides everything you need to prepare for any

Most pipe fitters are well trained in the practical aspects of the job, but lack the needed math skills. The only way to be secure in your work is to increase y

Hundreds of questions and answers to help you pass the apprentice, journeyman, or master plumber's exam. Questions are in the style of the actual exam. The best