Ключевые слова: ball, ball pen, business, christmas, clerical, collection, copy book, data, designing, development, diary, education, exam, examination, hour, mark, materials, new, new year, notebook, notes, o clock, office, office desk, paper, pen, pencil, pencil box, perfected, promotion, school, sharp, slate pencil, spiral, spring, stationery, studies, study, test, training, wood, work, write, writing, writing book, writing materials, year,