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Vital for vocational students, apprentices, and skilled tradespersons Licensing exams at the state, local, and international levels are required in the plumbing trades. This revised and updated study guide is designed in a clear question-and-answer format. A new appendix covers state requirements for apprentice, journeyman, and master plumber. Rex Miller (Round Rock, TX), a forty -year educator, has written over 100 textbooks. Mark Richard Miller (Kingsville, TX) heads the Industrial Technology Department at Texas A |
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