'Should I Call a Plumber?' How to Diagnose—and Fix—a Plumbing Clog - The Epoch Times

Retrieved on: 2022-06-02 18:10:25

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'Should I Call a Plumber?' How to Diagnose—and Fix—a Plumbing Clog - The Epoch Times. View article details on hiswai:

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In 1804, Philadelphia introduced cast iron pipes. Alexander Cummings was awarded the first patent for a flush toilet in 1775.

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