Ключевые слова:
Graphic characters, Marking, Liquid crystal devices, Storage, Endurance testing, Legibility, High-temperature testing, Electrical testing, Seals, Electrical equipment, Low-temperature testing, Wear tests, Solid-state physics, Testing conditions, Mechanical testing, Display devices, Optoelectronic devices, Damp-heat tests, Environmental testing, Electronic equipment and components, Test atmospheres, Thermal-shock tests, Specimen preparation, Defects, Electrical components, Visual inspection (testing)