The application range of high-pressure washers is expanding every year. Currently they are widely used in cleaning workshops and technological equipment at enterprises, preparing walls for waterproofing and cleaning motor vehicles in construction, cleaning sewers and washing road signs and fences in municipal services, cleaning heat exchangers involved in production cycles in factories, as well as in car washes and self-service car washes. This is just a glimpse of a high-pressure washer (high-pressure machine) application.