Ключевые слова: acid, aging, analysis, archival, art, artifacts, brittleness, cinema, collections, component, condition, conservation, culture, damage, decay, degradation, deterioration, display, effects, elements, emulsion, environmental, evaluation, film, fragile, handling, historical, history, layers, materials, media, phenomena, physical, preservation, processes, quality, research, restoration, salvage, science, stock, study, surface, syndrome, techniques, textures, vinegar, vintage, visual,