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.
How Much to Budget for a Tooth Extraction. As is the case with all medical and dental procedures, the cost for an extraction goes up the more complicated it becomes. For a simple extraction of a permanent adult tooth, the average price ranges from $100 to $250. The range increases to $180 to $400 if your dentist must perform a surgical extraction. According to Your Dentistry Guide, the average cost for extraction of a baby tooth ranges from $90 to $150.