Ключевые слова: apple, back, background, books, business, classroom, computer, concept, delicious, desk, diet, digital, display, ecology, education, food, fruit, green, health, healthy, internet, isolated, key, keyboard, knowledge, laptop, leaf, lifestyle, modern, monitor, network, notebook, office, open, recycling, red, ripe, school, student, study, table, technology, wet, white, work, workplace,