Ключевые слова:
Steels, Alloys, Non-destructive testing, Cast steels, Tactile, Surface treatment, Moulding (process), Surface defects, Surface-roughness measurement, Grinding, Casting (process), Test equipment, Castings, Examination (quality assurance), Foundry engineering, Sand casting, Surface texture, Testing conditions, Defects, Finishes, Comparators, Classification systems, Visual inspection (testing)