41 Educational services, namely, providing training and arranging and conducting conferences, congresses, seminars, workshops and symposiums in the fields of cleaning, grinding, polishing, milling, metal casting, metalworking, metal tempering and metal plating; organizing cultural events in the fields of cleaning, grinding, polishing, milling, metal casting, metalworking, metal tempering and metal plating; providing information about education in the fields of cleaning, grinding, polishing, milling, metal casting, metalworking, metal tempering and metal plating; vocational guidance services in the fields of cleaning, grinding, polishing, milling, metal casting, metalworking, metal tempering and metal plating