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 cleaners; Vacuum cleaner bags; Brushes for vacuum cleaners; Suction nozzles for vacuum cleaners; Pigs for cleaning pipes