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Mortise, Tenon, and Beyond: The Joinery Quiz
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When connecting rigid plastic DWV pipes, what is the primary chemical function of applying purple primer before the solvent cement?
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50-50
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Audience
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A
To clean and soften the plastic surface to ensure proper chemical fusion
B
To slow down the curing time of the solvent cement
C
To act as a lubricant so the pipe seats deeper into the fitting
D
To prevent the plastic from cracking under high pressure
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