7 Floor cleaning machines; cleaning appliances utilizing steam; machines for cleaning vertical surfaces and windows using high pressure water jets; wall-scrubbing machines; hot water cleaners, namely, machines for cleaning surfaces using high pressure water and steam cleaning machines; cold water cleaners, namely, machines for cleaning surfaces using high pressure water; hot water high pressure washers for cleaning surfaces; cold water high pressure washers for cleaning surfaces; road sweeping machines; motorized floor sweepers; walk-behind electric floor sweeping machines; ride-on electric floor sweeping machines; sandblasters; hydro-sandblasters; sandblasters being parts of machines; dry vacuum cleaners; wet vacuum cleaners; carpet and armchair cleaning machines; electric and manual traction floor scrubbing and drying machines for cleaning all types of hard and soft surfaces; chemical and detergent nebulizing and spraying machines; machines, namely, floor polishers, power-operated polishers; self-service hot water vehicle washing installations; self-service cold water vehicle washing installations; self-service installations for washing, rinsing and polishing vehicles, in the nature of machines using high pressure water; self-service vacuum cleaning machines for the interior of vehicles; structural parts and spare parts for all the aforementioned machines, namely, boilers, steam boilers, steam engine boilers, suction motors, pressure adapters, pressure regulators, wheels and non-marking wheels, ejectors, ejectors to aspirate detergent solution, valves, high pressure and low pressure hoses for water cleaners, mechanical and power-operated hose reels for flexible hoses, exhaust pipes, vacuum cleaner hoses, boiler tubes, nozzles, junction nozzles and supports for nozzles, nozzles with water brushes for cleaning devices using water, water tanks, tanks, solution tanks, containers for collecting dirt, devices for distributing and mixing detergents, squeegee blades and rubber blades, emulsion oils squeegee blades and rubber blades, foam heads, anti-foam devices, anti-foam head attachments, rotating heads, self-adjusting and self-levelling washing and sweeping heads, rotating arms, polishing, washing and de-waxing discs, standard driver discs, brushes, circular or cylindrical brushes, rotary brushes, roller brushes, filter apparatus, inlet and outlet filters, self-cleaning filters, filter bags made of polyester, fabric filters, cartridge filters, paper filters, paper filter bags, filter and stop filter discs, recycling filters, dust filters, round filters, flat pleaded filters, membrane filters, power-operated guns, steam-guns, tool holders, tissue roller holders, and pad holders