When you need to pass an apprentice, journeyman, contractor, or master licensing plumbing exam, the DEWALT PLUMBING LICENSING GUIDE, 5E is a great resource. This edition includes comprehensive content that contains over 500 practice questions. Also included are test-taking strategies, exam rules, as well as answer keys so you can get immediate feedback as you test your knowledge. Now updated to reflect the 2018 International Plumbing Code, you can...