Machines and apparatus for wax-polishing (electric); Snow ploughs; Dust removing installations for cleaning purposes; Dust exhausting installations for cleaning purposes; Machines and apparatus for carpet shampooing (electric); Waste disposal units; Machines and apparatus for cleaning (electric); Washing apparatus; Road sweeping machines (self propelled); Vacuum cleaners; Household vacuum cleaners; Electric vacuum cleaners; Robotic cleaning (vacuuming) machines for floors; Floor cleaning (polishing) machines; Street sweeping machines; Steam cleaners (machines); Electric floor sweepers; Machines for carpet cleaning; Machines for cleaning floors by scrubbing; Road sweepers (machines)