Ключевые слова: activity, backgrounds, blue, close, closeup, color, competition, competitive, computer, design, device, domestic, electricity, electronic, equipment, exercising, food, freshness, green, growth, healthcare, healthy lifestyle, indoors, instrument, machinery, measurement, medicine, modern, monitor, nature, no people, object, outdoors, playing, pulse, room, science, screen, selective focus, showing, single, sport, success, summer, table, technology, trace, up,