steam cleaning machines in the nature of steam mops; electric hand drills; electric hammers; electric grass trimmers; electric ice shaving machines; filters for cleaning air for engines; cleaning appliances utilizing steam; cleaning machines for vehicle tires; cleaning devices utilizing ultrasounds; cleaning machines utilizing ultrasounds; machines and apparatus for cleaning, electric; polishing machines [electric]; machines and apparatus for polishing [electric]; machines and apparatus for wax-polishing, electric