Helps apprentice, journeyman, and master candidates prepare for state examinations covering general mathematics, installation principles, materials standards, and plumbing codes.
This book will help every student to pass the examination due to it posts most of the question that have appeared in previous examinations but explained in detail. Every plumbing student should acquire this book. It is very helpfull due to it covers most of the aspects of the plumbing trade that will appear in the examination for the license. I personally, recommend this book.
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