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Access,.cover,.-,.correct,.answer,.✔ ✔
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to,.a,.pipe,.or,.pipe,.fitting,.for,.the,.purpose,.of,.inspection,,.repair,.or,.cleaning.
Air,.Admittance,.Valve,.(AAV),.-,.correct,.answer,.✔ ✔ One-
way,.valve,.designed,.to,.allow,.air,.to,.enter,.the,.plumbing,.drainage,.system,.w
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Area,.Drain,.-,.correct,.answer,.✔ ✔
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branch,.-,.correct,.answer,.✔ ✔
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