Working with water piping -- Working with waste and vent pipes -- Toilet repairs and installation -- Installing sinks and related equipment -- Faucet repairs -- Clearing drainpipes -- Reparing and installing tubs and showers -- Maintaining and installing water heaters -- Sump pumps, filters, and softeners -- Septic systems, wells, and lawn sprinklers -- Plumbing basics -- Planning plumbing changes and edditions -- Drains, vents, and traps.
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