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Plumbing 2023 Exam Questions with Correct Answers
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Plumbing 2023 Exam Questions with Correct Answers Building sewers shall be tested by completely filling the sewer with water from the ______ A. Lowest to highest point B. Lowest to at least 5' head C. Lowest to at least 10' head D. Lowest to at least ground level - Answer-C. Lowest to at le...
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