Educational instruction, in the following fields: ultrasonic welding; training in the following fields: ultrasonic welding; provision of training courses, in the following fields: ultrasonic welding; organisation of training, in the following fields: ultrasonic welding; arranging of training courses, in the following fields: ultrasonic welding; arranging and conducting of seminars in the following fields: ultrasonic welding; organisation of seminars, in the following fields: ultrasonic weldin...