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5. Which tool is used to create a watertight seal when joining two PVC pipes?

Correct Incorrect PVC primer and cement are specifically formulated for joining PVC pipes. The primer cleans and prepares the surface, and the cement chemically bonds the pipes together to create a strong, watertight joint. Epoxy putty can be used for some repairs but isn't the standard for joining PVC. Duct tape is a temporary fix and not suitable for plumbing connections, and silicone caulk is used for sealing gaps and joints, not for joining pipes.