Machines, namely, machines for the construction, cleaning or maintenance, monitoring of buildings, premises, floors, walls and facades, surfaces, vehicles of all kinds, aircraft, ships, rolling stock, machinery, industrial, professional or scientific installations, various items, pipes, green spaces, communication lines; electric cleaning machines and apparatus, namely, electric carpet shampooers for rugs and carpets, electric dust collectors, self-propelled sweepers, conveyor belts, electric...