Ключевые слова: blue, book, care, closeup, college, colored, colorful, desk, dictionary, document, education, equipment, hardcover, health, heap, hospital, ideas, information, instrument, knowledge, learn, library, literary, literature, medical, medicine, metal, object, open, page, paper, professional, publication, read, research, science, scientific, stethoscope, student, study, table, tool, university, violet, wooden,