ΑΝΤΛΗΣΗ ΥΔΑΤΩΝ
https://zenwriting.net/x4wmske768/in-the-usa-there-are-virtually-500-000-plumbing-technicians-plumbing-gw66
The majority of home owners don't assume much about their sewer lines. As long as they are working right, they are out of sight as well as out of mind. When a problem does turn up, it can mean a substantial expenditure