Question: Question 1 6 : Select the best answer from the multiple choices below What is backflow? Intended flow of water in a plumbing system Shutting
Question :
Select the best answer from the multiple choices below
What is backflow?
Intended flow of water in a plumbing system
Shutting of a water valve before a plumbing system is overloaded
Unwanted flow of water in the opposite direction of intended flow
Waste water removal through a plumbing system
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