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Texas Irrigator Practice Test Section 1 Exam Questions And Answers
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Texas Irrigator Practice Test Section 1 Exam Questions And Answers Which devices can stop backsiphonage? a). PVB, DCA, RP, and AVB b). DCA and RP c). RP, DCA, and PVB d). AVB and PVB e). PVB and DCA - ANS a). PVB, DCA, RP, and AVB Which devices can stop backpressure? a). PVB, DC...
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