Ключевые слова: alternative, background, blue, brown, chemical, chemistry, class, classic, color, competition, conservative, container, contaminated, contrast, cure, damaged, development, dirty, empty, flask, future, generation, glass, health, healthcare, healthy, infected, jar, label, laboratory, liquid, many, medical, medicine, new, object, old, packing, past, pharmacy, potion, practice, progressive, research, science, scientist, size, stained, stopper, tool, traditional, treatment,