Descriptors | Hollow-ware, Tableware, Catering equipment, Household equipment, Silvering, Coated materials, Ornaments and accessories, Decorative coatings, Coatings, Silver, Thickness, Grades (quality), Defects, Torsion testing, Adhesion tests, Testing conditions, Performance testing, Marking, Test equipment, Performance, Thickness measurement, Area measurement, Mechanical testing, Thermal testing, Leak tests, Cleaning, Metal plating, Metal coatings |