Ключевые слова: background, backgrounds, ballpoint, business, commercial, communication, communications, computer, computers, counter, cursor, data, education, educations, enter, entries, evidence, info, information, instruct, internet, isolated, learn, lies, look, mouse, net, network, notation, notebook, object, objects, office, pen, pencil, pens, plastic, record, reflect, reflected, reflexion, register, report, scholarship, school, search, secretarial, seek, stationery, study, studying, stylus, table, teach, teaching, tip, tool, web, weekday, white, work, workday, working, write,