Ключевые слова: background, business, button, cable, click, clicking, close, communication, computer, computing, concept, control, detail, device, equipment, finger, hand, hardware, hold, human, input, internet, isolated, job, laptop, macro, men, mouse, net, office, optical, pointer, press, red, reflected, reflection, scroll, student, surf, surfing, technology, use, web, white, work, worker, www,