41 Training; training focused on professional skills; training concerning the use of surgical, medical, dental and veterinary apparatus and instruments; preparation and hosting of conferences, congresses, seminars, symposiums, lectures, lessons and training courses; preparation and hosting of seminars, conferences, training courses and further training; preparation and hosting of conferences, conventions, training workshops, seminars, lectures, courses and exhibitions for educational purposes; instruction and training services; arranging and conducting of conferences, congresses, seminars and training workshops; organization and conducting of seminars, training, lectures, workshops and conferences.