Ключевые слова: battery, black, business, circle, computer, concept, crisis, cyberspace, danger, datum, design, digital, display, ecology, economic, energy, equipment, folder, garbage, hand, heap, icon, industry, isolated, list, loading, map, office, paper, phone, pile, plastic, power, protection, pump, recycling, reusing, single, software, storage, supply, symbol, touch, tower, waste, web, white, wireless, work,