Ключевые слова: adult, business, business person, businessman, businesswoman, busy, caucasian ethnicity, classroom, closeup, color image, communication, computer, computer keyboard, computer lab, computer monitor, computer mouse, desk, desktop pc, education, expertise, females, girls, home schooling, human hand, indoors, internet, laptop, learning, lifestyles, looking, males, men, occupation, office, one person, pc, people, professional occupation, rear view, sitting, student, studying, technology, tired, typing, using computer, women, working, young adult,