Ключевые слова: 3d, abstract, background, blank, book, booklet, bookstore, computer, concept, copy, copyspace, cover, desk, desktop, device, dictionary, display, education, elearning, electronic, empty, encyclopedia, gadget, grey, information, internet, laptop, library, literature, mobile, mock, mockup, monitor, office, online, open, page, paper, pattern, render, rendering, school, science, screen, technology, template, up, web, workplace,