Apparatus for aerating water; aerated beverage making machines; beverage preparation machines, electromechanical; car washing machines; high pressure washers; high pressure car cleaning and car wash equipment and components, namely, machines for cleaning automobile undercarriages using high-pressure water; high-pressure pumps for washing appliances and installations; power-operated polishers; vacuum cleaners; electric wax-polishing machines for household purposes; vehicle washing machines; ve...