Ключевые слова: back, backbone, background, blade, book, closed, closeup, concepts, cover, creativity, cutting, edge, education, handbook, hardcover, horizontal, inscription, learning, library, life, literature, metal, nobody, object, office, open, page, paper, paperwork, plain, plastic, publication, red, science, scissors, sharp, shiny, simple, simplicity, space, stainless, steel, text, textbook, word, work,