Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Mixing machines; Air filters for mechanical purposes; Vacuum cleaners for industrial purposes; Vacuum cleaners for household purposes; Engraving machines; Soldering irons, electric; Electric coffee grinders; Nail extractors, electric; Commercial and industrial vacuum cleaners; Three dimensional (3D) printers; Power-operated grass/weed trimmers; AC generato...