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Texas Class D Water License Exam Updated Questions and Answers (2024 / 2025) (Verified Answers)
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Texas Class D Water License Exam Updated Questions and Answers (2024 / 2025) (Verified Answers).1. What removes tastes, odors, and certain organics and gases, and oxidizes iron and manganese? This process includes the incorporation of air into the water by means of spray nozzles , steps or cascades...
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