Ключевые слова: black, blue, board, buttons, cables, classroom, closeup, communications, computers, data, design, desk, desktop, display, domestic, equipment, grey, hall, image, in, internet, isolated, keyboard, lab, laptop, lecture, liquidcrystal, modern, monitor, mouse, network, occupation, office, part, pc, power, room, screens, shape, silver, simplicity, tables, technology, tft, threedimensional, tint, typing, white, work, working,