peeling machines; central vacuum cleaning installations; cleaning appliances utilizing steam; dust exhausting installations for cleaning purposes; dust removing installations for cleaning purposes; high pressure washers; snow ploughs; vacuum cleaner attachments for disseminating perfumes and disinfectants; vacuum cleaner hoses; vacuum cleaner bags; brushes for vacuum cleaners; vacuum cleaners; suction nozzles for vacuum cleaners; pigs for cleaning pipes; household cleaning and laundry robots with artificial intelligence