Automatic electrostatic-paint sprayers; Automatic sprayers for electrostatic painting; Belts for conveyors; Coating machines and lines for web products, parts for the aforementioned machines, particularly doctors, nozzles, application units; Conveyor lines; Electrostatic generators; High-voltage generators; Machine parts, namely, nozzles which are parts of power-operated sprayers; Machines utilizing rotational motion for high energy surface finishing and material treatment; Paint spray guns; ...