The Urban Dictionary of apofraxeis athina
https://writeablog.net/r1whmlv896/in-the-usa-there-are-virtually-500-000-plumbers-plumbings-understand-exactly
The majority of homeowners do not think much about their sewage system lines. As long as they are working right, they run out sight as well as out of mind. When a trouble does appear, it can suggest a big expenditure