Cleaning appliances utilizing steam; Dust removing installations for cleaning purposes; Electrical ultrasonic cleaning units for jewelry, glasses, denture, watches; Electrically-powered steam cleaning device comprising a hose and nozzle and a vapor-producing chamber that is attached to a water source; Floor cleaning machines; Fruit washing machines; Household cleaning robots with artificial intelligence; Multi-purpose high pressure washers; Multi-purpose steam cleaners; Portable ultrasonic la...