There is a revolving rake to scrape settled grit to a sump for removal. The heavy material settles to the bottom and is then dragged upwards by means of a rake, and then discharged. A rake is a device used in thickeners and settlers to move the settled solids toward the place where they leave the vessel.
The average costs of deep cleaning is between $100-to-$400 per quadrant. This means that if you are getting all four areas scaled and planed, it can cost you as little as $400 or as much as $1,600. About how much you will pay depends on where you live.
Six Common Dental Procedures and How Much They Cost. Some common dental procedures include crowns, root canals, braces, teeth cleaning, wisdom tooth removal and cavity filling. Here are some average costs of these dental procedures with and without insurance, as reported by CostHelper. Procedure 1: Teeth Cleaning. Cost with insurance: Completely covered (up to twice a year) Cost without insurance: $127