Brush cleaning apparatus (machines); Cleaning machines for roads; Cleaning machines for streets; Cleaning apparatus for industrial purposes; Electric apparatus for cleaning; Machines for cleaning carpets; Electric carpet sweepers; Electric floor sweepers; Lawn sweepers (machines); Powered floor sweepers; Road sweepers (machines); Sweepers (machines) for use with swimming pools; Vehicle mounted road sweepers; Electric cleaning scrubbers; Powered floor scrubbers; Venturi scrubbers; Machines for cleaning floors by scrubbing; Scrubbing machines (floor -)