Household plumbing contains the technique of pipes, fixtures

https://canvas.apu.edu/eportfolios/4310/home/tips-to-unclog-clogged-drains-in-your-plumbing_2

Household plumbing comes to the technique of pipes, fixtures, and fittings mounted for water distribution and waste removal in residential constructions. Proper preservation ensures efficient operation and prevents high-priced repairs.