42 PROVIDING - DEVELOPMENT AND APPLICATION OF MACHINING TECHNIQUES, TECHNIQUES FOR JOINING, THERMAL TREATMENT, STUDYING THE SURFACE MECHANICS AND RESISTANCE TO CORROSION, FRICTION, WEAR AND ABRASION, NAMELY IN THE APPLICATION OF SURFACE COATINGS USING HIGH SPEED FILM ACOUSTIC EMISSION, OPTICAL AND NON DESTRUCTIVE TECHNIQUES FOR MATERIALS - NAMELY - METALS, ALLOYS, GLASS, PLASTICS AND COMPOSITES