The degree of such cleaning is 65%.

Warbating water cleaning is carried out in three stages:

Preliminary cleaning. Cleaning process occurs in a special tank. Industrial and household wastewater enters the chamber of upholding. Here, mechanical cleaning of water in several steps is performed. As a result, particles contained in wastewater begin to settle at the bottom. The sediment that appeared begins to decompose. Part of the pollution remains in the water, and the other is accumulating in the tank. The degree of such cleaning is 65%.