Dust exhausting installations for cleaning purposes; Electric hedge shears; Electrically-powered kitchen appliance for dicing, mincing, slicing and chopping food; Industrial surface treatment equipment, namely, plasma treatment systems comprised of a high frequency, high voltage generator, treating heads and nozzles and structural parts therefor; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machine parts, namely, wear plates and strips; Meat and food grinder attachments for electric mixers for household use; Milling machines for metalworking; Printing machines for web products, particularly wallpaper, floor coverings and films, parts for the aforementioned machines and lines composed thereof, namely, gravure printing lines, screen printing lines, flexo printing lines and combinations of the aforementioned lines; Vacuum packaging machines; Wood milling machines