αποφράξεις

https://writeablog.net/r1whmlv896/in-the-usa-there-are-virtually-500-000-plumbers-plumbing-technicians-know-how

The majority of house owners don't believe much about their sewer lines. As long as they are functioning right, they are out of view and also out of mind. When a trouble does turn up, it can imply a huge cost either