What is the definition of Drainage Studies?

"Drainage studies" are like the medical check-up of your home's sewer system, but instead of a doctor, you're talking to a hydrologist. They're basically the scientists who take a deep dive to understand how water flows out of your drains, pipes, and toilets, making sure there's no backup of unfortunate things (like a clogged toilet or a dripping tap) causing a "flood" of chaos in your bathroom.

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Here's an edgy example: "After years of drainage studies, our plumbing now has a newfound fear of the word 'plumber' due to a study revealing that their secret to preventing drains from overflowing is actually a secret recipe for 'Drain-a-thons'."