Machines and apparatus for carpet shampooing (electric); Dust exhausting installations for cleaning purposes; Brushes for vacuum cleaners; Waste disposal apparatus; Road sweepers (machines); Industrial robots; Machines and apparatus for cleaning (electric); Powered floor sweepers; Vacuum cleaners; Electric floor sweepers; Road sweeping machines (self propelled); Dust removing installations for cleaning purposes; Robotic cleaning (vacuuming) machines for floors; Robotic cleaning machines