industrial robots; cleaning machines for ponds; filters for machines; water pumps for swimming pools; vacuum cleaners; underwater silt removing machines; underwater dredging machines; dust removing installations for cleaning purposes; dust exhausting installations for cleaning purposes; machines and apparatus for cleaning, electric; water pumps for motors and engines; household cleaning and laundry robots with artificial intelligence; swimming pool cleaning robots; swimming pool cleaning machines; swimming pool cleaning robots with artificial intelligence; high pressure washers; electric sweepers; robots for cleaning; robotic floor cleaners; robotic cleaning machines