ΟΙΚΟΝΟΜΙΚΕΣ ΑΠΟΦΡΑΞΕΙΣ

https://writeablog.net/r1whmlv896/in-the-united-states-there-are-almost-500-000-plumbing-professionals-plumbers-v3q4

A lot of homeowners don't think much about their drain lines. As long as they are working right, they run out sight and out of mind. When an issue does show up, it can mean a big cost either trying to clean it