Which of the following water control valves has a hollow metal post attached to the valve housing and the valve stem inside the post has a target on which the words OPEN or SHUT appear?
A. Post indicator valve (PIV)
B. Outside stem and yoke (OS&Y)
C. Wall post indicator valve (WPIV)
D. Post indicator valve assembly (PIVA)
Answer: A. Post indicator valve (PIV)
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